Topographic map of the Grand Canyon National Monument, Arizona
Title:
Topographic map of the Grand Canyon National Monument, Arizona
Author:
Geological Survey (U.S.)
Corporate Author:
Edition:
Ed. of 1944.
Publication Information:
Washington : U.S. Geological Survey, 1972.
Physical Description:
1 map. : color ; 76 x 104 cm
General Note:
At head of title: United States Dept. of the Interior, Geological Survey, in cooperation with the National Park Service.
"Polyconic projection; 1927 North American datum."
"Contour interval 50 feet."
Language:
English
Subject Term:
Genre:
Added Corporate Author: