Portland, Oregon, and Surroundings, 1890, Looking North
General Arrangement of Shipyard, Oregon Shipbuilding Corporation
Map of the boundary between Oregon and Idaho from the junction of the Snake and Owyhee Rivers to the forty-second degree of latitude/ established and surveyed under instructions of Hon. Joseph S. Wilson Commissioner General Land Office by Daniel G. Major U.S. Astronomer and Surveyor.
A Diagram of Oregon (1861)
A Diagram of Oregon (1859)
Mouth of Columbia River, 1851
Mouth of the Columbia River, Oregon Territory, 1841
Survey of the Columbia River from The Dalles to Celilo / made under the direction of Major N. Michler, U.S. Engineers, by R. A. Habersham.
The Columbia River through the Cascade Range / made under the direction of Major N. Michler, U.S. Engineers by Robt. A. Habersham
Chart of the Columbia River for 90 miles from its mouth, 1838
Sketch of the Columbia River from the forks, & the 19th of October 1805 to the 1st of Jany on the Pacific Ocean
Survey of the Columbia River between Celilo and the Dalles : October 1879 to January 1880 / by the order of Major G.I. Gillespie & under the direction of Lieutenant Charles F. Powell, Corps of Engineers, U.S.A. ; instrumental work by Messrs F.W. Lehnartz ... [et al.] ; drawing by Messrs J.A. Gillespie & F.J. Carrel.
Map, showing lines under construction and proposed routes and connections
Oregon Skyline Trail : Pacific Crest system, 1936
Oregon Skyline Trail : Mt. Hood to Crater Lake, 1925