Correspondence and organizational, stock, financial, ore production, plant, personnel, and other records of a group of mines in the Republic District of northeastern Washington state.

Postcards showing scenes from Idaho, Washington and Oregon, some written and postmarked.

Contains correspondence, drafts of articles, notes from field studies, photographs, and related materials. Also includes items ranging outside of Larrison’s lifetime, including photographs from family members and articles published about Larrison and related subjects after his death.

Manuscripts, drafts, reports, letters, correspondence, maps, books, magazines, photos, slides, field books, research study proposals, notes, exams by Dr. Leonhardy from his research and his classes.

Correspondence and organizational, financial, ore treatment, personnel, and insurance records of a Northport, Washington, lead smelter, including records of a predecessor corporation, the Northport Mining & Smelting Company.

Articles and slides created by Fenton Roskelley. Includes materials used for his book "Flies of the Northwest" and for his column in the "Spokesman-Review" and "Spokane Daily Chronicle."

Aerial photographs prints and negatives of Idaho, Washington, and Montana National forests originally taken in 1933-1936 for the U.S. Forest Service.