Mineral resources of the Swansea Wilderness Study Area, La Paz and Mohave Counties, Arizona

Tosdal, R.M., Eppinger, R.G., Blank, H.R., Jr., Knepper, D.H., Jr., Gallagher, A.J., Pitkin, J.A., Jones, S.L., and Ryan, G.S., 1990, Mineral resources of the Swansea Wilderness Study Area, La Paz and Mohave Counties, Arizona: U.S. Geological Survey Open-File Report 90-0521, 25 p., 1 sheet, scale 1:52,000 [approx.].