Map, showing lines under construction and proposed routes and connections
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.
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.
The Columbia River through the Cascade Range / made under the direction of Major N. Michler, U.S. Engineers by Robt. A. Habersham
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.
Mount Tabor Villa broadside
General Arrangement of Shipyard, Oregon Shipbuilding Corporation
Map of the Eastern Oregon Livestock Company holdings (may show land sold to the U.S. government in 1935 for the Malheur National Wildlife Refuge expansion)
Map of Columbia River & Sauvie Island
Map, hand drawn, showing Columbia River and tributaries, Mt. Hood, Portland and other cities.
Portland, Oregon, and Surroundings, 1890, Looking North
A Diagram of Oregon (1861)
A Diagram of Oregon (1859)
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
Mouth of Columbia River, 1851
Mouth of the Columbia River, Oregon Territory, 1841
Oregon Skyline Trail : Pacific Crest system, 1936
Oregon Skyline Trail : Mt. Hood to Crater Lake, 1925