Cite

Economic map of portions of Wyoming, Idaho and Utah / Department of the Interior, U.S. Geological and Geographical Survey of the Territories ; F.V. Hayden, U.S. geologist in charge.

MLA

Geological and Geographical Survey of the Territories (U.S.). Economic map of portions of Wyoming, Idaho and Utah / Department of the Interior, U.S. Geological and Geographical Survey of the Territories ; F.V. Hayden, U.S. geologist in charge.. BRBL_00586. [1879]. https://collections.library.yale.edu/catalog/15818391.

APA, 6th edition

Geological and Geographical Survey of the Territories (U.S.). (["BRBL_00586"])([1879])[Economic map of portions of Wyoming, Idaho and Utah / Department of the Interior, U.S. Geological and Geographical Survey of the Territories ; F.V. Hayden, U.S. geologist in charge.]. https://collections.library.yale.edu/catalog/15818391.