Glen Ruby's oil surveying map and chart collection, of the geographic regions of Salt Lake, Utah, other parts of the United States and Mexico, circa 1882-1944.

Early United States Forest Service Intermountain Region records, including grazing reconnaissance section plats with isoline terrain maps, dated 1912 to 1914, and utilization surveys of cattle farms from 1914 to 1939. The plats include information about soil, water sources, land surfaces, weeds, grass, forage plants, poisonous plants, and shrubs. Materials dated 1912 to 1939.