The A.A. Durand and Son Drilling Records includes geological surveys, information about irrigation districts, correspondence, legal documents, and reports of Walla Walla well-drilling contractors. Other files such as blueprints, maps, newspaper clippings, water reports, video footage from drilling sites, and field notes can be found in this collection. The dates span from approximately 1930 to 1980. Many items relate to several hundred contracts in the Northwest.