Parts of Idaho, Montana and Wyoming territories / from surveys made under the direction of F.V. Hayden and other authorities ; compiled and drawn by E. Hergesheimer.
MLA
Geological Survey of the Territories (U.S.). Parts of Idaho, Montana and Wyoming territories / from surveys made under the direction of F.V. Hayden and other authorities ; compiled and drawn by E. Hergesheimer.. BRBL_00535. 1871. https://collections.library.yale.edu/catalog/15812959.
APA, 6th edition
Geological Survey of the Territories (U.S.). (["BRBL_00535"])(1871)[Parts of Idaho, Montana and Wyoming territories / from surveys made under the direction of F.V. Hayden and other authorities ; compiled and drawn by E. Hergesheimer.]. https://collections.library.yale.edu/catalog/15812959.
