Historical comparison photography
Subtitle: mountain foothills, Dillon Resource Area, Montana
Publisher: U.S. Dept. of the Interior, Bureau of Land Management, Montana State Office
Published: 1980
Place of publication: Billings, Mont.?]
Language: eng
Number of pages: 120
Subjects: Land use; Montana; Pictorial works; History
Notes: Supplement to the Mountain foothills grazing management environmental impact statement.

Includes bibliographical references (p. 120).