Cite

Land classification map of part of South Eastern Idaho : atlas sheet no. 41(B) / U.S. Geographical Surveys West of the 100th Meridian.

MLA

Geographical Surveys West of the 100th Meridian (U.S.). Land classification map of part of South Eastern Idaho : atlas sheet no. 41(B) / U.S. Geographical Surveys West of the 100th Meridian.. BRBL_00582. [1878]. https://collections.library.yale.edu/catalog/15824423.

APA, 6th edition

Geographical Surveys West of the 100th Meridian (U.S.). (["BRBL_00582"])([1878])[Land classification map of part of South Eastern Idaho : atlas sheet no. 41(B) / U.S. Geographical Surveys West of the 100th Meridian.]. https://collections.library.yale.edu/catalog/15824423.