Unpublished manuscript, informally known as the Schrader report, on the geology of the Carson Sink region of Nevada (Churchill and Pershing Counties), prepared from field work undertaken between 1911-1921 by Frank C. Schrader.

Eagle Salt Works was a salt mining company in Churchill County, Nevada located along the lines of the Central Pacific Railroad. Discovered in 1869 by B. F. Leete; major supplier of salt to Nevada's Comstock mines. Collection contains records of amounts and types of salt mined, purchasers, inventories of company property, vouchers, payroll records, receipts, and salt shipment statements.

Report on mining activity in the Fireball Mining District, Churchill County, Nevada. The collection contains material from 1931 created by Alfred Merritt Smith.