Geologic map of the Rogers Pass area, Lewis and Clark County, Montana /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Whipple, James W. (James Wilburn), Mudge, Melville R., 1921-2009, Earhart, Robert L.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1987.
Series:Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1642.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
"Geology mapped 1977-79."
Includes text, bibliography, location and index maps, and 2 col. cross sections.
Cartographic material.
Physical Description:1 map : color ; 87 x 106 cm., on sheet 101 x 147 cm, folded in envelope 30 x 24 cm.