Cite
MLA (8th Edition)
Geologic Map Showing the Thickness and Structure of the Anderson-Wyodak Coal Bed In the South Half of the Powder River Basin, Northeastern Wyoming. For sale by Branch of Distribution, The Survey, 1991.
APA (7th Edition)
Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the south half of the Powder River Basin, northeastern Wyoming. (1991). For sale by Branch of Distribution, The Survey.
Chicago (17th Edition)
“Geologic Map Showing the Thickness and Structure of the Anderson-Wyodak Coal Bed in the South Half of the Powder River Basin, Northeastern Wyoming.” Denver, CO: For sale by Branch of Distribution, The Survey, 1991.