Campbell County, Wyoming: Geologic Map Atlas and Summary of Land, Water and Mineral Resources (1974)

Breckenridge, R.M., Glass, G.B., Root, F.K., and Wendell, W.G., 1974, Campbell County, Wyoming—Geologic map atlas and summary of land, water and mineral resources: Geological Survey of Wyoming [Wyoming State Geological Survey] County Resource Series 3, 9 pls.