Hood, W., Abert, J. J., Stansbury, M. H., & Stone, W. J. (1975). 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. U.S. Army, Corps of Engineers.
Chicago Style (17th ed.) CitationHood, Washington, John James Abert, M. H. Stansbury, and William James Stone. 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. [Washington]: U.S. Army, Corps of Engineers, 1975.
MLA (9th ed.) CitationHood, Washington, et al. 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. U.S. Army, Corps of Engineers, 1975.