|Date(s):||Coverage Availability/Geographic Extent:||Footprint:||Source(s):|
|1997||Texas||State, USGS Quadrangle||TNRIS|
The full StratMap Hypso data set can be downloaded directly.
Download the 3 MB per quad file here:Download
|Available Formats:||Shapefile, GDB|
|Known Issues:||Mismatched edges, Age, Quality|
Hypsography (elevation contours) Digital Line Graph (DLG-3) data are currently derived by digitizing map features as line graph elements from the cartographic source materials. The scale of the source materials is 1:24,000.