Geologic map of the Barker quadrangle, Judith Basin and Cascade Counties, Montana
By: Department of the Interior, United States Geological Survey ; by Irving J. Witkind.
Contributors: Witkind, Irving Jerome, 1917-
Series: Geologic quadrangle map -- GQ-898.
Publisher: The Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Montana -- Judith Basin County -- Maps.; Geology -- Montana -- Cascade County -- Maps.
Genres: Maps.
Other titles: Barker quadrangle, Judith Basin and Cascade Counties, Montana.
Notes: Relief shown by contours and spot heights.

"Geology mapped 1963-66."

Includes columnar sections, cross sections and quadrangle map.