Cite

Map showing lands belonging to the St. Paul and Duluth Railroad Company, June 30th 1891 / Ralph Martin, del.

MLA

Map Showing Lands Belonging to the St. Paul and Duluth Railroad Company, June 30th 1891 / Ralph Martin, Del. s.n., 1891. https://collections.library.yale.edu/catalog/15814609.

APA, 6th edition

Map showing lands belonging to the St. Paul and Duluth Railroad Company, June 30th 1891 / Ralph Martin, del. (1891). [Maps]. s.n., https://collections.library.yale.edu/catalog/15814609.