Digital Line Graph:
Latest - UTM - NAD83 - Meters
About the Data
The original DLGs were created from published quad sheets as they existed in 1990.
UTM Projection (Zone 16 is west of 84° longitude; 17 is east)
ASCII (Text) Format
Determining the File Name
Use the Geographic Profile or the DEP Quad Map Index to find the DEP quad name and number.
Special Software Needed
DLGs are text files and must be converted into graphic format before being used in a GIS. There are many conversion programs available. Usually a GIS will provide its own DLG conversion utility.
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