Collection consists of two black and white panoramic photographs by a photographer identified as Armstrong, Cottage Grove, Oregon. One panorama depicts two unidentified soldiers on Pier Warrenton in Oregon; the other is a portrait depicting uniformed soldiers of the Oregon Coast Artillery on their first payday.

Oral history interview with Howard C. Tobin conducted by Ron E. Shay on January 25, 1968. Tobin shares his memories of hunting and fishing in the area of Fort Stevens, Oregon, from 1903 to 1905.

Blueprint and diazo copies of plans for projects in Oregon and Washington, including the Willamette Falls locks; modifications to a dam and lock on the Yamhill River; gun emplacements at Fort Stevens; and a Spokane, Portland and Seattle Railway station and water tower. The U.S. Army Corps of Engineers is a hybrid military-civilian organization that has played a role in developing Oregon's water infrastructure since the 1860s, and which established an office in Portland, Oregon, in 1871.

Manuscript and typescript routine correspondence to Captain Charles F. Powell, Captain of Engineers, at Portland, Oregon, 1886-1888, mainly regarding commerce at and between Fort Canby, Washington, and Fort Stevens, Oregon.