Cite
MLA (8th Edition)
Map Showing Altitude of the Top of the Judith River Formation, Montana. U.S. Department of the Interior, U.S. Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1982.
APA (7th Edition)
Map showing altitude of the top of the Judith River Formation, Montana. (1982). U.S. Department of the Interior, U.S. Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey.
Chicago (17th Edition)
“Map Showing Altitude of the Top of the Judith River Formation, Montana.” Helena, Montana: U.S. Department of the Interior, U.S. Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1982.