Billingsley, G.H., 1989, Mining activity in the Grand Canyon area, Arizona, Elston, D.P., Billingsley, G.H., and Young, R.A., eds., Geology of Grand Canyon, northern Arizona (with Colorado River guides): American Geophysical Union, International Geological Congress, 28th, Field Trip Guidebook T115/315, p. 224-227.
Asbestos
Keywords Group
Industrial Minerals
Mining activity in the Grand Canyon area, Arizona, Elston, D.P., Billingsley, G.H., and Young, R.A., eds., Geology of Grand Canyon, northern Arizona (with Colorado River guides)
Prospectors' proving ground, in History of mining in Grand Canyon region
Billingsley, G.H., 1976, Prospectors' proving ground, in History of mining in Grand Canyon region: Journal of Arizona History, v. 17, no. 1, p. 69-88.
Mining in Grand Canyon, in Breed, W.J., and Roat, E.C., eds., Geology of the Grand Canyon
Billingsley, G.H., 1974, Mining in Grand Canyon, in Breed, W.J., and Roat, E.C., eds., Geology of the Grand Canyon: Flagstaff, Museum of Northern Arizona, and Grand Canyon Natural History Association, p. 170-176.
Asbestos
Allen, M.A., and Butler, G.M., 1921, Asbestos: Arizona Bureau of Mines Bulletin no. 113, 31 p.
