Oral history interview with Allen Isaacson, conducted by Clark Hansen on April 9, 1999, as part of the Columbia River Dissenters Oral History Series. Isaacson discusses his work as supervisory hydrologist for the Idaho Panhandle National Forests, and the effects of clearcutting practices on watersheds and fisheries.

Oral history interview with Peter T. Johnson conducted by Michael O'Rourke from March 1 to September 9, 2002, as part of the Northwest Power Planning Council Oral History Project. Johnson served as administrator of the Bonneville Power Administration from 1981 to 1986.

Surveying notebooks of townships in the area of Vancouver, Washington; Des Moines River, Clearwater and Snake Rivers, 1905; and "Report of Reconnaissance between Albany and Ontario, Oregon, September and October 1904."

Oral history interview with John Osborn, conducted by Clark Hansen in two sessions, on April 8 and April 12, 1999, as part of the Columbia River Dissenters Oral History Series. Osborn discusses connections between the history of the Northern Pacific Railroad land grants, logging practices of companies such as Weyerhaeuser, and heavy metal pollution in the Pacific Northwest.

Oral history interview with Charles F. Ray, conducted by Clark Hansen in two sessions, on July 27 and July 28, 1999, as part of the Columbia River Dissenters Oral History Series. Ray speaks extensively about his work with Idaho Rivers United to advocate for the restoration of Snake River salmon and steelhead runs.

Oral history interview with Bob Saxvik conducted by Michael O'Rourke on August 16, 2000, as part of the Northwest Power Planning Council Oral History Project. Saxvik represented Idaho on the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1981 to 1996.

Collection includes correspondence, reports, clippings, and miscellaneous documents and ephemera, 1949-1954, regarding the controversy over development of Snake River-Hells Canyon region.

Collection includes photographic postcards of landscapes in Oregon, Washington, Idaho, and Yellowstone National Park from 1904-1940. Wesley Andrews was both the photographer and the printer of these photographic postcards.

Oral history interview with Wendy L. Wilson, conducted by Clark Hansen on May 8, 1998, as part of the Columbia River Dissenters Oral History Series. Wilson discusses her work as executive director of the Idaho Conservation League (ICL) in Boise, Idaho; her involvement with the Friends of the Payette campaign; and her role as executive director of Idaho Rivers United.