Big Bend National Park, Texas, 1971 /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Format: Map
Language:English
Published: Reston, Va. : The Survey, 1980.
Subjects:
Description
Item Description:Contour interval 80 feet.
Relief shown by shading, contours and spot heights in meters and feet.
Includes location map, index to 7.5 minute maps, and pictorial insets.
Universal Transverse Mercator projection; 1927 North American datum.
"Compiled in 1974 from USGS 1:24,000 scale topographic maps dated 1970-71."
Cartographic material.
Physical Description:1 map : coll., illustrations ; 81 x 96 cm.