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National Transportation Dataset - Data Dictionary - Trans_TrailSegment

By NGP Standards and Specifications

This data dictionary defines and describes one simple feature class in the National Transportation Dataset. "Trans_TrailSegment" represents linear, possibly discontinuous sections of trail. May consist of a cleared path, beaten track, or improved surface, not usually trafficked by mainstream motor vehicles because of width, seasonal conditions, or access restrictions.

General Feature Class Attributes

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Trans_TrailSegment

Field name

 

 

General Non-FCode Domain Attributes

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Domain Name

 

 

General Non-spatial Metadata Tables

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BPFeatureToMetadata

Table

 

Meta_DatasetDetail

Table

 

Meta_ProcessDetail

Table

 

 

 

General Feature Class Attributes

Trans_TrailSegment

Field Name

bicycle

  • Description: Bicycles allowed
  • Definition: Bicycles allowed on the trail. 
  • Alias: Bicycle
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or <Null>

 

crosscountryski

  • Description: Cross country skiing allowed
  • Definition: Cross country skis allowed on the trail. 
  • Alias: Cross Country Ski
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

dogsled

  • Description: Dog sleds allowed
  • Definition: Dog sleds allowed on the trail. 
  • Alias: Dog Sled
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

ebike

  • Description: Electric bicycles allowed
  • Definition: E-Bikes allowed on the trail.
  • Alias: Electric Bike
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or No

 

electricwatercraft

  • Description: Electric watercraft allowed
  • Definition: Electric watercraft allowed on the trail.
  • Alias: Electric Watercraft
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or No

 

globalid

  • Description: Global identification
  • Definition: A unique, system-managed identifier (a 128-bit UUID/GUID) automatically assigned to each feature or table row in ArcGIS Pro.
  • Alias: Global ID
  • Type: Global ID
  • Usage: Index
  • Nullable: False
  • Precision: 0
  • Scale: 0
  • Length: 38
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: False
  • Required: True
  • Format: A 38-character, upper case alphanumeric text string with hyphens contained within curly brackets.
  • Example: {5ACF2A73-A1ED-4641-B4D3-024D8FAC133C}

 

hikerpedestrian

  • Description: Hikers/Pedestrians allowed
  • Definition: Hiker/Pedestrian (foot travel) allowed on the trail.
  • Alias: Hiker/Pedestrian
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or <Null>

 

icewatercraft

  • Description: Ice watercraft allowed
  • Definition: Ice watercraft allowed on the trail.
  • Alias: ICE Watercraft
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

lengthmiles

  • Description: Length in miles
  • Definition: The length of the trail segment calculated in miles. 
  • Alias: Length Miles
  • Type: Double
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Positive number up to eight characters. 
  • Example: 1.983097

 

livestock

  • Description: Livestock allowed
  • Definition: Livestock allowed on the trail.
  • Alias: Livestock
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or No

 

loaddate

  • Description: Load date
  • Definition: Timestamp indicating when the feature or event was last loaded to the database, may indicate an approximate time the feature or event was last edited or reviewed by USGS.
  • Alias: Load Date
  • Type: Date
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Month, day and year generally displayed as MM/DD/YYY with some values including the time generally displayed as HH:MM:SS with an AM or PM time qualifier.
  • Example: 2/9/2026 5:07:05 PM

 

maplabel

  • Description: Map label
  • Definition: The feature label used on The National Map. 
  • Alias: Map Label
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 120
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 120 characters with name of trail or trail segment. 
  • Example: Lewis and Clark Bicycle/Pedestrian Trail

 

motorcycle

  • Description: Motorcycles allowed
  • Definition: Motorcycles allowed on the trail. Motorcycles are defined as two-wheeled vehicles on which the two wheels are in-line, not side-by-side. 
  • Alias: Motorcycle
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

name

  • Description: Trail name
  • Definition: The local name that the trail or trail segment is officially or legally known by. 
  • Alias: Trail Name
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 120
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 120 characters with name of trail or trail segment. 
  • Example: DA Bynum Mounts Trail or <Null>

 

namealternate

  • Description: Alternate trail name
  • Definition: Alternate or regional trail name. 
  • Alias: Alternate Trail Name
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 120
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 120 characters with alternate name of trail or trail segment. 
  • Example: Witch Dance Horse Trail or <Null>

 

nationaltraildesignation

  • Description: National trail designation
  • Definition: The national designation assigned to the trail or trail segment. This includes designations by federal statute for National Historic Trails (NHT), National Scenic Trails (NST), Connecting or Side Trails (C-S), and National Recreation Trails (NRT), and also includes National Millennium Trails (NMT). 
  • Alias: National Trail Designation
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 150
  • Domain: NationalTrailDesignation
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 150 characters with National Trail name or National Trail designation. 
  • Example: Appalachian National Scenic Trail

 

networklength

  • Description: Network length
  • Definition: Length of trail or trail segment in map units. 
  • Alias: Network Length
  • Type: Double
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Positive number up to eight characters. 
  • Example: 17.411347

 

nonmotorizedwatercraft

  • Description: Non-motorized watercraft allowed
  • Definition: Non-motorized watercraft allowed on the trail. 
  • Alias: Non-Motorized Watercraft
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

objectid

  • Description: Object identification
  • Definition: Internal feature or event number. 
  • Alias: OBJECTID
  • Type: Object ID
  • Usage: Index
  • Nullable: False
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: False
  • Required: True
  • Format: Number string up to seven digits.
  • Example: 2812492

 

ohvisorunder50inches

  • Description: Off-highway vehicles equal to or under 50 inches in width allowed
  • Definition: Off-highway vehicles (OHVs) less than or equal to 50 inches in width allowed on the trail. 
  • Alias: Four Wheel Drive Vehicle <=50 Inches
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

ohvover50inches

  • Description: Off-highway vehicles over 50 inches in width allowed
  • Definition: Off-highway vehicles (OHVs) greater than 50 inches in width allowed on the trail. OHVs greater than 50 inches in width include vehicles such as sport utility vehicles (SUVs), rock crawlers, side-by-sides, and sand rails. 
  • Alias: Four Wheel Drive Vehicle >50 Inches
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

osvm

  • Description: Motorized over snow vehicles allowed
  • Definition: Motorized over snow vehicles allowed on the trail.
  • Alias: Motorized Over Snow
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

packsaddle

  • Description: Pack and saddle allowed
  • Definition: Pack and saddle animals allowed on the trail. Pack and saddle is defined as riding or packing animals, such as horses, mules, or llamas. 
  • Alias: Pack and Saddle
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or <Null>

 

permanentidentifier

  • Description: Permanent identifier
  • Definition: A 40-character globally unique ID (GUID) value that uniquely identifies the occurrence of each feature or event in The National Map. 
  • Alias: PermanentIdentifier
  • Type: String
  • Usage: Index
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Generally a 36-character, alphanumeric text string with hyphens. 
  • Example: a3d2265b-9c34-4937-9af4-7ae05cd00eba

 

pets

  • Description: Pets allowed
  • Definition: Pets allowed on the trail.
  • Alias: Pets
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: Yes or No

 

primarytrailmaintainer

  • Description: Primary trail maintainer
  • Definition: The agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Alias: Primary Trail Maintainer
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: PrimaryTrailMaintainer
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 40 characters with entity tasked with primary trail maintenance. 
  • Example: National Park Service or <Null>

 

publisheddate

  • Description: Published date of the source data
  • Definition: Date the source data was published. 
  • Alias: Source Published Date
  • Type: Date
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Month, day and year generally displayed as MM/DD/YYYY.
  • Example: 09/15/2020

 

routetype

  • Description: Route type
  • Definition: Identifies the primary function or functions of a road, trail or trail segment. 
  • Alias: Route Type
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 50
  • Domain: TypeofRoute
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 50 characters with information about the type of route. 
  • Example: Road or <Null>

 

seasonopen

  • Description: Season open
  • Definition: Details regarding known (or unknown) seasonality conditions of the trail or trail segment. 
  • Alias: Season Open
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 2500
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 2500 characters with information about seasonality of trail or trail segment. 
  • Example: Unknown or <Null>

 

shape

  • Description: Shape
  • Definition: Feature geometry. 
  • Alias: Shape
  • Type: Geometry
  • Usage: Index
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 0
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: True
  • Format: May be a null value. Description of the type of spatial geometry.
  • Example: Polyline M

 

shape_Length

  • Description: Shape length
  • Definition: Length of the feature, which may differ from the field measured length due to differences in calculation. Units are map units. 
  • Alias: SHAPE_Length
  • Type: Double
  • Usage: Length
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: False
  • Required: True
  • Format: May be a null value. Positive number up to eight characters. 
  • Example: 1.329217

 

snowshoe

  • Description: Snowshoeing allowed
  • Definition: Snowshoeing allowed on the trail. 
  • Alias: Snowshoe
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 4
  • Domain: TrailYesNoDomain
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to four characters. 
  • Example: No or <Null>

 

sourcedatadescription

  • Description: Data description source
  • Definition: Brief narrative of the source dataset. 
  • Alias: Source Dataset Description
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 100
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Alphanumeric text string with source description and the month and year (MM/YYYY) up to 100 characters.
  • Example: Colorado Parks and Wildlife Trails Update 10/2023

 

sourcedatasetid

  • Description: Dataset identification source
  • Definition: Unique permanent ID value which uniquely identifies a source dataset used in The National Map. 
  • Alias: Source Dataset ID
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Generally a 36-character, uppercase, alphanumeric text string with hyphens inside curly brackets. 
  • Example: {WA0703B5-E14D-4926-B742-55761B54DA3B}

 

sourceeditdate

  • Description: Source edit date
  • Definition: Timestamp indicating when the source data was last edited.
  • Alias: Source Edit Date
  • Type: Date
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 8
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Month, day and year generally displayed as MM/DD/YYY.
  • Example: 8/29/2013 or <Null>

 

sourcefeatureid

  • Description: Feature identification source
  • Definition: Identifier of the feature or event in the source dataset. 
  • Alias: Source Feature ID
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Generally a string of numbers, up to 40 digits. 
  • Example: 21187

 

sourceoriginator

  • Description: Originator source
  • Definition: Name of the organization or individual that developed the source dataset. 
  • Alias: Source Originator
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 130
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 130 characters with the name of the organization or individual that developed the source dataset.
  • Example: Wisconsin Department of Natural Resources

 

trailnumber

  • Description: Trail number
  • Definition: The official local numeric or alphanumeric identifier for the trail. 
  • Alias: Trail Number
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 40 characters with alphanumeric identifier for the trail or trail segment.
  • Example: 1903B or <Null>

 

trailnumberalternate

  • Description: Alternate trail number
  • Definition: Alternate or regional trail number. 
  • Alias: Alternate Trail Number
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 40
  • Domain: Not applicable
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 40 characters with alphanumeric alternate identifier for the trail or trail segment.
  • Example: 206 or <Null>

 

trailsurface

  • Description: Trail surface
  • Definition: A category that reflects the predominant trail surface accommodated by a trail. 
  • Alias: Trail Surface
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 50
  • Domain: TrailSurface
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 50 characters describing the primary surface type of trail or trail segment.
  • Example: Unpaved - Native or <Null>

 

trailtype

  • Description: Trail type
  • Definition: A category that reflects the general mode of travel accommodated by a trail. 
  • Alias: Trail Type
  • Type: String
  • Usage: Not applicable
  • Nullable: True
  • Precision: 0
  • Scale: 0
  • Length: 16
  • Domain: TrailType
  • Default Value: Not applicable
  • Editable: True
  • Required: False
  • Format: May be a null value. Text string up to 16 characters describing the primary type of trail or trail segment.
  • Example: Snow Trail

 

 

General Non-FCode Domain Attributes

Domain Name

DomainCodedValue

NationalTrailDesignation

  • Description: National Trail designation
  • Definition: Coded value domain classification for designated National Trails.
  • Code: MLT - Millennium Legacy Trail 
    • Description: Millennium Legacy Trail 
    • Definition: The national designation assigned to the trail or trail segment is Millennium Legacy Trail. 
  • Code: NHT - Ala Kahakai 
    • Description: Ala Kahakai National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Ala Kahakai National Historic Trail. 
  • Code: NHT - California 
    • Description: California National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is California National Historic Trail. 
  • Code: NHT - Captain John Smith Chesapeake 
    • Description: Captain John Smith Chesapeake National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Captain John Smith Chesapeake National Historic Trail. 
  • Code: NHT - El Camino Los Tejas 
    • Description: El Camino Real de Los Tejas National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is El Camino Real de Los Tejas National Historic Trail. 
  • Code: NHT - El Camino Tierra Adentro 
    • Description: El Camino Real de Tierra Adentro National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is El Camino Real de Tierra Adentro National Historic Trail. 
  • Code: NHT - Iditarod 
    • Description: Iditarod National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Iditarod National Historic Trail. 
  • Code: NHT - Juan Bautista de Anza
    • Description: Juan Bautista de Anza National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Juan Bautista de Anza National Historic Trail. 
  • Code: NHT - Lewis and Clark 
    • Description: Lewis and Clark National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Lewis and Clark National Historic Trail. 
  • Code: NHT - Mormon Pioneer 
    • Description: Mormon Pioneer National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Mormon Pioneer National Historic Trail. 
  • Code: NHT - Nez Perce 
    • Description: Nez Perce (Nee-Me-Poo) National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Nez Perce (Nee-Me-Poo) National Historic Trail. 
  • Code: NHT - Old Spanish 
    • Description: Old Spanish National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Old Spanish National Historic Trail. 
  • Code: NHT - Oregon 
    • Description: Oregon National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Oregon National Historic Trail. 
  • Code: NHT - Other National Historic Trail
    • Description: Other National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is National Historic Trail. 
  • Code: NHT - Overmountain Victory 
    • Description: Overmountain Victory National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Overmountain Victory National Historic Trail. 
  • Code: NHT - Pony Express 
    • Description: Pony Express National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Pony Express National Historic Trail. 
  • Code: NHT - Santa Fe 
    • Description: Santa Fe National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Santa Fe National Historic Trail. 
  • Code: NHT - Selma to Montgomery 
    • Description: Selma to Montgomery National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Selma to Montgomery National Historic Trail. 
  • Code: NHT - Star-Spangled Banner 
    • Description: Star-Spangled Banner National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Star-Spangled Banner National Historic Trail. 
  • Code: NHT - Trail of Tears 
    • Description: Trail of Tears National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Trail of Tears National Historic Trail. 
  • Code: NHT - Washington-Rochambeau Rev Route 
    • Description: Washington-Rochambeau Revolutionary Route National Historic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Washington-Rochambeau Revolutionary Route National Historic Trail. 
  • Code: NMT - National Millennium Trail
    • Description: National Millennium Trail 
    • Definition: The national designation assigned to the trail or trail segment is National Millennium Trail. 
  • Code: NRT - National Recreation Trail
    • Description: National Recreation Trail 
    • Definition: The national designation assigned to the trail or trail segment is National Recreational Trail. 
  • Code: NST - Appalachian 
    • Description: Appalachian National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Appalachian National Scenic Trail. 
  • Code: NST - Arizona 
    • Description: Arizona National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Arizona National Scenic Trail. 
  • Code: NST - Continental Divide 
    • Description: Continental Divide National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Continental Divide National Scenic Trail. 
  • Code: NST - Florida 
    • Description: Florida National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Florida National Scenic Trail. 
  • Code: NST - Ice Age 
    • Description: Ice Age National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Ice Age National Scenic Trail. 
  • Code: NST - Natchez Trace 
    • Description: Natchez Trace National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Natchez Trace National Scenic Trail. 
  • Code: NST - New England 
    • Description: New England National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is New England National Scenic Trail. 
  • Code: NST - North Country 
    • Description: North Country National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is North Country National Scenic Trail. 
  • Code: NST - Other National Scenic Trail
    • Description: Other National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is a National Scenic Trail other than those specifically listed. 
  • Code: NST - Pacific Crest 
    • Description: Pacific Crest National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Pacific Crest National Scenic Trail. 
  • Code: NST - Pacific Northwest 
    • Description: Pacific Northwest National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Pacific Northwest National Scenic Trail. 
  • Code: NST - Potomac Heritage 
    • Description: Potomac Heritage National Scenic Trail 
    • Definition: The national designation assigned to the trail or trail segment is Potomac Heritage National Scenic Trail. 
  • Code: Other - Other National Designation
    • Description: Other National Designation 
    • Definition: The national designation assigned to the trail or trail segment is a national designation other than those specifically listed. 

 

PrimaryTrailMaintainer Domain

  • Description: Primary trail maintainer
  • Definition: Coded value domain classification identifying the primary agency or group charged with trail maintenance responsibility.
  • Code: BIA
    • Description: Bureau of Indian Affairs
    • Definition: Bureau of Indian Affairs is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: BLM
    • Description: Bureau of Land Management 
    • Definition: Bureau of Land Management is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: BOR
    • Description: Bureau of Reclamation 
    • Definition: Bureau of Reclamation is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Commercial User
    • Description: Commercial User 
    • Definition: A commercial user is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: County Parish Borough
    • Description: County, Parish, Borough 
    • Definition: The County, Parish, or Borough is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: DOD
    • Description: Department of Defense 
    • Definition: Department of Defense is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: DOE
    • Description: Department of Energy 
    • Definition: Department of Energy is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: FAA
    • Description: Federal Aviation Administration 
    • Definition: Federal Aviation Administration is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: FS
    • Description: US Forest Service 
    • Definition: US Forest Service is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: FWS
    • Description: US Fish and Wildlife Service 
    • Definition: US Fish and Wildlife Service is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Local Government
    • Description: Local Government 
    • Definition: Town, Township, Municipal Agency (City or other local civic government) is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: NGO
    • Description: Nongovernmental Organization 
    • Definition: A nongovernmental agency, entity, or individual is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: NPS
    • Description: National Park Service 
    • Definition: National Park Service is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Other Federal
    • Description: Other Federal Agency 
    • Definition: A federal agency other than those specifically listed is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Private
    • Description: Private 
    • Definition: A nongovernmental agency, entity, or individual is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: State
    • Description: State 
    • Definition: A State is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Tribal
    • Description: Tribal
    • Definition: A Tribe is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: USACE
    • Description: US Army Corps of Engineers 
    • Definition: US Army Corps of Engineers is the agency or group having primary maintenance responsibility for the trail or trail segment. 
  • Code: Unknown
    • Description: Unknown
    • Definition: The agency or group having primary maintenance responsibility for the trail or trail segment is unknown. 
  • Code: Volunteer
    • Description: Volunteer
    • Definition: A volunteer is the agency or group having primary maintenance responsibility for the trail or trail segment. 

 

TrailSurface

  • Description: Trail surface
  • Definition: Coded value domain classification identifying the primary surface type for the identified trail or trail segment.
  • Code: Paved
    • Description: Paved
    • Definition: Covered with material (such as asphalt or concrete) that forms a firm level surface for travel. 
  • Code: Snow
    • Description: Snow
    • Definition: Covered predominantly with snow or ice. 
  • Code: Unknown
    • Description: Unknown
    • Definition: There is no information specified regarding the attribute value. 
  • Code: Unpaved Improved
    • Description: Unpaved - Improved
    • Definition: Unpaved surface with physical improvements such as grading or the addition of crushed rock, packed soil or other treatments. 
  • Code: Unpaved Native
    • Description: Unpaved - Native
    • Definition: Unpaved surface composed of native soil, rock or other naturally occurring materials. 
  • Code: Water
    • Description: Water
    • Definition: Covered predominantly with water. 

 

TrailType

  • Description: Trail type
  • Definition: Coded value domain identifying the primary design and managed use of the trail or trail segment.
  • Code: Terra Trail
    • Description: Standard/Terra Trail 
    • Definition: A trail that has a surface consisting predominantly of the ground and that is designed and managed to accommodate use on that surface. 
  • Code: Snow Trail
    • Description: Snow Trail 
    • Definition: A trail that has a surface consisting predominantly of snow or ice and that is designed and managed to accommodate use on that surface.
  • Code: Water Trail
    • Description: Water Trail 
    • Definition: A trail that has a surface consisting predominantly of water (but may include land-based portages) and that is designed and managed to accommodate use on that surface. 

 

TrailYesNoDomain

  • Description: Trail Yes/No domain
  • Definition: Coded value domain identifying the allowed use of a trail or trail segment. 
  • Code: N
    • Description: No
    • Definition: No, the specified use is not allowed on the trail. 
  • Code: Y
    • Description: Yes
    • Definition: Yes, the specified use is allowed on the trail. 

 

TypeofRoute

  • Description: Type of route
  • Definition: Coded value domain identifying the primary function or functions of an identified road, trail or trail segment. 
  • Code: Road
    • Description: Road
    • Definition: Single use route, road. 
  • Code: Road and Trail
    • Description: Road and Trail
    • Definition: Multi-use route, road and trail. 
  • Code: Trail
    • Description: Trail
    • Definition: Single use route, trail. 

 

 

General Non-spatial Metadata Tables 

Object Table

Table

BPFeatureToMetadata

  • Description: Batch process feature to metadata
  • Definition: The BPFeatureToMetadata table links the features / objects to one or more processes and their sources. This table gives the model the capability of lineage or the capability of tracking the history of changes for a given feature.

 

Meta_DatasetDetail

  • Description: Metadata dataset details
  • Definition: The Meta_DatasetDetail table holds information specific to the source of the data, i.e.; originator name, data accuracy and currency, data source url, etc.

 

Meta_ProcessDetail

  • Description: Metadata process details
  • Definition: The Meta_ProcessDetail table with information specific to the processor (contact information) and the process used in loading or updating the dataset features or objects.

 

 

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