United States index to 1:24,000-scale digital line graph (DLG) and digital elevation model (DEM) data

Main Author: Geological Survey (U.S.)
Other Authors: Geological Survey (U.S.). National Mapping Division.
Format: Map
Language: English
Published: Reston, Va. : The Survey, 1995.
Physical Description: 2 maps : color, both sides ; 77 x 119 cm.
Subjects:
Item Description: Shows completed and in process DLG and DEM data for United States 7.5 minute quadrangles.
"April 1, 1995."
"38077-H1-IG-99X-06."
Digital line graph data and digital elevation model data -- Digital line graph data.
Physical Description: 2 maps : color, both sides ; 77 x 119 cm.