US Topo Cartographic Specifications - Elevation
US Topo cartographic specifications for elevation generated contours.
CONTOURS
Depression Index
FType: No FType for this feature
FCode: 10105
Feature Description: A line with hashes drawn on a topographic map to indicate a depression, with the hashes pointing towards the lower point. A depression index contour is a thick, bold line, to indicate every fifth contour line.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Hash Line) | 1.44 | 145/88/40 | 0 |
| Layer 2 (Solid Line) | 0.504 | 166/116/66 | 0 |
Depression Intermediate
FType: No FType for this feature
FCode: 10104
Feature Description: A line with hashes drawn on a topographic map to indicate a depression, with the hashes pointing towards the lower point. A depression intermediate contour is a thinner line between each index contour, drawn at the contour interval.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Hash Line) | 1.44 | 179/134/89 | 0 |
| Layer 2 (Solid Line) | 0.216 | 179/134/89 | 0 |
Depression Supplemental
FType: No FType for this feature
FCode: 10106
Feature Description: A line with hashes drawn on a topographic map to indicate a depression, with the hashes pointing towards the lower point. A depression supplemental contour is drawn between any two depression contour lines to visualize small features that otherwise would not be depicted by the set contour interval of the map.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Hash Line) | 1.44 | 207/164/142 | 0 |
| Layer 2 (Solid Line) | 0.36 | 207/164/142 | 0 |
Index
FType: No FType for this feature
FCode: 10102
Feature Description: A line drawn on a topographic map to indicate ground elevation. An index contour is a thick, bold line, to indicate every fifth contour line and is labeled with the elevation.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Solid Line) | 0.504 | 145/88/40 | 0 |
Annotation
| Font Style | Font Size (Pt) | Font Color R/G/B | Halo Size (Pt) | Halo Color R/G/B | Placement Properties | Anno Graphic Depiction |
|---|---|---|---|---|---|---|
| Segoe UI, Italic | 6.00 | 131/ 66/ 37 | 0.70 | 240/ 240/ 240 | Regular placement straight and centered on line. |
Media
Sources/Usage: Public Domain. View Media Details
|
Intermediate
FType: No FType for this feature
FCode: 10101
Feature Description: A line drawn on a topographic map to indicate ground elevation. An intermediate contour is a thinner line between each index contour, drawn at the contour interval.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Solid Line) | 0.216 | 179/134/89 | 0 |
Annotation
| Font Style | Font Size (Pt) | Font Color R/G/B | Halo Size (Pt) | Halo Color R/G/B | Placement Properties | Anno Graphic Depiction |
|---|---|---|---|---|---|---|
| Segoe UI, Italic | 6.00 | 131/ 66/ 37 | 0.70 | 240/ 240/ 240 | Regular placement straight and centered on line. |
Media
Sources/Usage: Public Domain. View Media Details
|
Supplemental
FType: No FType for this feature
FCode: 10103
Feature Description: A line drawn on a topographic map to indicate ground elevation. A supplemental contour is drawn between any two contour lines to visualize small features that otherwise would not be depicted by the set contour interval of the map.
Cartographic Representation
| Point Graphic Depiction | Linear Graphic Depiction | Polygon Graphic Depiction |
|---|---|---|
| Not Applicable |
Media
Sources/Usage: Public Domain. View Media Details
| Not Applicable |
Line Symbology Specifications
| SpecName | Size (Pt) | Color R/G/B | Transparency (%) |
|---|---|---|---|
| Layer 1 (Solid Line) | 0.36 | 207/164/142 | 0 |
Related Information
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US Topo Cartographic Specifications US Topo Cartographic Specifications
This page and associated links define the U.S. Geological Survey (USGS) digital topographic map (US Topo) cartographic specifications including feature symbology and annotation. The specifications are organized by data sets and themes listed below.US Topo Cartographic Specifications - Version History US Topo Cartographic Specifications - Version History
This page highlights version history and details the refinements made to the published US Topo Cartographic Specifications.US Topo Cartographic Specifications - Elevation US Topo Cartographic Specifications - Elevation
US Topo cartographic specifications for elevation generated contours.US Topo Cartographic Specifications - Geographic Names US Topo Cartographic Specifications - Geographic Names
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US Topo cartographic specifications for governmental units including Bureau of Land Management, Counties, International, Military, Native American Areas, Public Land Survey System, States, Forest Service, and Wildlife boundaries.US Topo Cartographic Specifications - Hydrography US Topo Cartographic Specifications - Hydrography
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US Topo cartographic specifications for Land Cover including Woodland.US Topo Cartographic Specifications - Structures US Topo Cartographic Specifications - Structures
US Topo cartographic specifications for Structures including Emergency Services, Medical Services, Pipelines, Public Services, and Recreation.US Topo Cartographic Specifications - Transportation US Topo Cartographic Specifications - Transportation
US Topo cartographic specifications for Transportation including Airport, Rail, Route, and Trail.