Sectional land map of western Washington : containing a detailed account of its cities ... in the Puget Sound country. Pacific Coast Region ...
MLA
Company, Northern Pacific Railway. Sectional Land Map of Western Washington : Containing a Detailed Account of Its Cities ... in the Puget Sound Country. Pacific Coast Region ... s.n., 1899. https://collections.library.yale.edu/catalog/15821640.
APA, 6th edition
Company, N. P. R. (1899). Sectional land map of western Washington : containing a detailed account of its cities ... in the Puget Sound country. Pacific Coast Region ... [Maps]. s.n., https://collections.library.yale.edu/catalog/15821640.