Cite
MLA (8th Edition)
Map Showing Cumulative Thickness of Sandstone In the "dakota Sandstone," 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 cumulative thickness of sandstone in the "Dakota Sandstone," 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 Cumulative Thickness of Sandstone in the ‘Dakota Sandstone," 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.