Correspondence about the administration of range improvement funds. Granted to grazing district advisory boards, these funds were used for range improvements, predatory animal control, rodent control, noxious weed exterminations and purchase or rental of grazing land.

Various appraisals of plants, machinery and personal property for ad valorem tax purposes. The appraisals describe the history and nature of the business and provide information on the production of sugar, soda ash and oil refinery activities.