Cite
MLA (8th Edition)
Cross Sections Showing Coal Stratigraphy of the Central Powder River Basin, Wyoming and Montana. For sale by Map Distribution, The Survey, 1992.
APA (7th Edition)
Cross sections showing coal stratigraphy of the central Powder River Basin, Wyoming and Montana. (1992). For sale by Map Distribution, The Survey.
Chicago (17th Edition)
“Cross Sections Showing Coal Stratigraphy of the Central Powder River Basin, Wyoming and Montana.” Denver, CO: For sale by Map Distribution, The Survey, 1992.