South Dakota (SD) Natural Resources Conservation Service (NRCS) Section Photography Data Dictionary

Acquisition Date

• Field Definition:  Acquisition Date refers to the date the image was acquired. This date varies and may contain year, month, day, year and month, or just year of coverage.

               Format:
               YYYY-MM-DD
 

Browse Availability

• Field Definition:  This field indicates whether a browse image is available for viewing.

               Values:
               Y = Yes
               N = No
 

Coordinates - Decimal Degrees

• Field Definition:  The latitude and longitude are provided in decimal degrees for the following fields:

                 Values:      
                 Scene Center Latitude and Longitude
                 Northeast (NE) Corner Latitude and Longitude
                 Northwest (NW) Corner Latitude and Longitude
                 Southeast (SE) Corner Latitude and Longitude
                 Southwest (SW) Corner Latitude and Longitude

                 Latitude Format Decimal Degrees: -90.000 through 90.000
                 Longitude Format Decimal Degrees: -180.000 through 180.000

                 Number of decimal places will vary by dataset – check collection in EE.

Coordinates - Degrees, Minutes, Seconds

• Field Definition:  The latitude and longitude are provided in degrees, minutes, and seconds for the following fields:

                 Values:
                 Scene Center Latitude and Longitude
                 Northeast (NE) Corner Latitude and Longitude
                 Northwest (NW) Corner Latitude and Longitude
                 Southeast (SE) Corner Latitude and Longitude
                 Southwest (SW) Corner Latitude and Longitude

                Longitude Format:
                DDDMMSS.SSH
                DDD = Degree(s) with a range of 0 through 180
                MM = Minute(s) with a range of 0 through 59
                SS.SS = Second(s) with a range of 0 through 59.99
                H = Hemisphere with E for east and W for west

                Latitude Format:
                DDMMSS.SSH
                DD = Degree(s) with a range of 0 through 90
                MM = Minutes(s) with a range of 0 through 59
                SS.SS = Second(s) with a range of 0 through 59.99
                H = Hemisphere with N for north and S for south

County

• Field Definition:  A geographical region within a state used for administrative or other purposes.
   

Date Entered

• Field Definition:  The year, month and day that this scene was entered into EROS database.

               Format:
               YYYY-MM-DD
               YYYY = Year
               MM = Month
               DD = Day
 

Date Updated

• Field Definition:  The year, month and day that this scene was last updated in the EROS database.

               Format:
               YYYY-MM-DD
               YYYY = Year
               MM = Month
               DD = Day
 

Entity ID

• Field Definition:  This field is used to identify data by assigning a unique series of letters and numbers to an image.

               Format:
               STCCCTTTRRSSYYYY_NNNNNN
               ST = State
               CCC = Number assigned to the County
               TTT = Township Number
               RR = Range Number
               SS = First Section
               YYYY = Year
               NNNNNN = Unique number designated for particular acquisition

               Example:
               SD00909260021986_180824
 

Range

• Field Definition:  The range number is based on the Bureau of Land Management range and township system.
   

Sections

• Field Definition:  The section number is based on the Bureau of Land Management range and township system. Generally, each township is broke into 36 sections.
   

State

• Field Definition:  The two-letter abbreviation used to identify the state in which the photograph was taken.

               Values:
               SD = South Dakota
 

Township

• Field Definition:  The township number is based on the Bureau of Land Management range and township system.
   

Vendor File Name

• Field Definition:  The original file name provided by the vendor.

              Example:
              sd013_t127_r64_s15_22_199508.tif