Geologic map of the Upper Holter Lake quadrangle, Lewis and Clark County, Montana
By: Department of the Interior, United States Geological Survey ; by G.D. Robinson, M.E. McCallum, and W.H. Hays.
Contributors: Robinson, G. D. 1918-; McCallum, M. E. 1934-; Hays, William Henry, 1922-
Series: Geologic quadrangle map -- GQ-840.
Publisher: The Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Montana -- Lewis and Clark County -- Maps.
Genres: Maps.
Other titles: Upper Holter Lake quadrangle, Lewis and Clark County, Montana, geologic map.
Notes: Relief shown by contours and spot heights.

Includes text, index, columnar section, col. cross sections and quadrangle map.