Cite

State of Minnesota / Department of the Interior, Franklin K. Lane, Secretary, Geological Survey, George Otis Smith, Director ; R.B. Marshall, Chief Geographer ; A.F. Hassan, Cartographer.

MLA

Geological Survey (U.S.). State of Minnesota / Department of the Interior, Franklin K. Lane, Secretary, Geological Survey, George Otis Smith, Director ; R.B. Marshall, Chief Geographer ; A.F. Hassan, Cartographer.. BRBL_00557. 1917. https://collections.library.yale.edu/catalog/15827830.

APA, 6th edition

Geological Survey (U.S.). (["BRBL_00557"])(1917)[State of Minnesota / Department of the Interior, Franklin K. Lane, Secretary, Geological Survey, George Otis Smith, Director ; R.B. Marshall, Chief Geographer ; A.F. Hassan, Cartographer.]. https://collections.library.yale.edu/catalog/15827830.