The American Society of Agricultural Engineers records span from 1992 to 1995, with the bulk of materials covering 1993 and the successful historical landmark induction of a cutter bar and tined pickup reel in Garfield, WA. Materials include photocopied patents, dedication program materials, speeches, and publications.

This collection contains US Bureau of Reclamation, Department of the Interior records from various Idaho agricultural, economic, and construction projects. Within can be found computation sheets, plans, letters, memos, tax receipts, newspaper clippings, a magazine, and farm and irrigation studies.

Typescrip account of the career of a Pullman, Washington teacher and school principle.

Correspondence between Edmond S. Meany and U. A. H. Greene.

Oral history interview of Emmit Aston.

This collection contains research and academic papers on entomology (8 items), three of them written by Hatch’s students at the University of Washington in the 1930s; also, general correspondence and brochures, and programs concerning pest control conferences.

Notes and other text written by Judge Ethelbert Patterson Oliphant, a justice of the supreme court of Washington Territory.

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

Grange Cooperative correspondence, memos, financial papers, photo of board, and a plaque from Spokane building.

Letter regarding avalibility of Mullan's Topographical Memoir of Colonel Wright's Campaign.