The Harlow Barney Papers documents the work of the Walla Walla County water master from approxmiately 1920 to 1965. The collection consists of watershed and land ownership maps, water usage laws, and surveys. It also contains reports, aerial photographs, insurance information, and business and personal correspondence.
The Katsel Family Photographs contain dry glass plate negatives depecting family life and landscapes, taken in the early 20th century in Eastern Washington.
The Vance Orchard Papers contains subject files, research notes, newspaper clippings, and correspondence by Vance Orchard, a prolific journalist active in eastern Washington from 1951 to 1983. Orchard was a reporter for the Walla Walla Union-Bulletin for 32 years and a published author. This collection dates from 1945 to 2004.