Geologic map of the Poplar quadrangle, Roosevelt, Richland and McCone Counties, Montana /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Colton, Roger B. (Roger Burnham), 1924-
Format: Government Document Map
Language:English
Published: Washington, D.C. : The Survey, 1963.
Series:Miscellaneous investigations series ; map I-367.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
"Contour interval 20 feet. Datum is mean sea level."
"Base modified from U.S. Geological Survey topographic quadrangle. Culture revised by Roger B. Colton from 1949 aerial photographs ... geology by Roger B. Colton and Conrad R. Appledorn, assisted by James McElroy and Leo Wanek, 1951."
Includes explanation, geologic cross section, and quadrangle location map.
Cartographic material.
Physical Description:1 map : color ; 45 x 30 cm., on sheet 68 x 83 cm., folded to 18 x 28 cm., in envelope 30 x 24 cm.