Cite

Reconnaissance topographic map of the Dennison Fork district, Alaska.

MLA

Reconnaissance Topographic Map of the Dennison Fork District, Alaska. U.S.G.S., 1932. https://collections.library.yale.edu/catalog/15821743.

APA, 6th edition

Reconnaissance topographic map of the Dennison Fork district, Alaska. (1932). [Maps]. U.S.G.S., https://collections.library.yale.edu/catalog/15821743.