Cite
MLA (8th Edition)
Map Showing Altitude of the Top of the Fox Hills-Lower Hell Creek Aquifer, Montana. Department of the Interior, United States 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 Fox Hills-Lower Hell Creek aquifer, Montana. (1982). Department of the Interior, United States Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey.
Chicago (17th Edition)
“Map Showing Altitude of the Top of the Fox Hills-Lower Hell Creek Aquifer, Montana.” Helena, Montana: Department of the Interior, United States Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1982.