Map of the United States, Territory of Oregon, west of the Rocky Mountains : exhibiting the various trading depots or forts occupied by the British Hudson Bay Company, connected with the western and northwestern fur trade / compiled in the Bureau of Topog
MLA
Hood, Washington. Map of the United States, Territory of Oregon, West of the Rocky Mountains : Exhibiting the Various Trading Depots or Forts Occupied by the British Hudson Bay Company, Connected with the Western and Northwestern Fur Trade / Compiled in the Bureau of Topog. U.S. Senate, 1838. https://collections.library.yale.edu/catalog/15812916.
APA, 6th edition
Hood, W. (1838). Map of the United States, Territory of Oregon, west of the Rocky Mountains : exhibiting the various trading depots or forts occupied by the British Hudson Bay Company, connected with the western and northwestern fur trade / compiled in the Bureau of Topog [Annotations (Provenance)--19th century, Maps]. U.S. Senate, https://collections.library.yale.edu/catalog/15812916.