Surficial geologic map of the West Thumb quadrangle, Yellowstone National Park, Wyoming /

Bibliographic Details
Main Author:	Richmond, Gerald Martin, 1914-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1973.
Series:	Miscellaneous geologic investigations ; map I-643.
Subjects:	Sediments (Geology) > Yellowstone National Park > Maps. Geology > Yellowstone National Park > Maps. Yellowstone National Park > Maps.

Description
Item Description:	Contour interval 40 feet. Marginal map: Map of West Thumb quadrangle showing distribution of Quaternary rhyolite flows and Shoshone Lake tuff member of plateau rhyolite. Includes index map and text with bibliography. Cartographic material.
Physical Description:	1 map : color ; 45 x 32 cm., on sheet 85 x 94 cm., folded in envelope 30 x 24 cm.