Clarence E. Neumeier, born in 1907, worked for various government agencies such as the United States Department of Agriculture, the Civil Service Commission, the United States Army, and the United States Army Corps of Engineers. The Clarence E. Neumeier Papers, which date from circa 1929 to 1960, consist of correspondence, photographs, personnel records, appointment records, and documents from government agencies.

The U.S. Army Corps of Engineers, Walla Walla District Records consist of newsletters, pamphlets, minutes, memoranda and other ephemera. This collection, which dates from approximately 1948 to 1980, also contains of records and scrapbooks from the Engineer’s Wives Club.