Cite

Alaska, Casadepaga quadrangle / U.S. Geological Survey.

MLA

Geological Survey (U.S.). Alaska, Casadepaga quadrangle / U.S. Geological Survey.. BRBL_00632. 1909. https://collections.library.yale.edu/catalog/15821738.

APA, 6th edition

Geological Survey (U.S.). (["BRBL_00632"])(1909)[Alaska, Casadepaga quadrangle / U.S. Geological Survey.]. https://collections.library.yale.edu/catalog/15821738.