New sectional township & county map of Oregon & Washington / published by J.K. Gill & Co. ; compiled and drawn from all United States and railroad surveys made previous to March 1st, 1887 by W.H. Galvani, 1887
County and township map of Oregon and Washington / by Wm. M. Bradley & Bros., 1887
Oregon and Washington, 1873
Plano del Puerto de Gray situado en la la [sic] latd. N. de 47ø longd. 18ø46§ al O. de Sn. Blas descuvierto este año G. el mismo y reconocido por el Comandante Vancouver, 1792
U.S. Mil. Reservatio[n] of Fort Canby, W.T. at Cape Disappointment, W.T. / prepared under the direction of Major W.M. Graham, 1880
Map showing the line of boundary between the United States & British possessions : from the point where the 49th parallel of north latitude strikes the western coast of the continent "to the middle of the channel which separates the continent from Vancouver's Island and thence southerly through the middle of said channel" &c. to Fuca's Straits, in accordance with Treaty of June 15th, 1846
Birdseye view map of Yakima Valley and central Washington, 1907
Map of Washington / published by George F. Cram, 1902
Map of public surveys in the Territory of Washington : to accompany report of Surveyor General, 1865
Map of a part of Washington Territory : to accompany the report of the Surveyor General, 1859
Map of that part of Washington Territory lying west of the Rocky Mountains : to accompany report of Surveyor General, 1858
Map of a part of the Territory of Washington : to accompany report of Surveyor General, 1855
An approximate map of the Nez Percé Reservation, W.T. [Washington Territory], 1862
Outlet of Columbia River, 1822
Plan of the River Oregan [sic], from an actual survey / by J. Arrowsmith, 1840
Carte du Rio Colombia depuis son embouchure jusqu'au Fort Vancouver à 17 Myriamètres de la mer, 1844