Gold

Blake, D.W., 1971, Geology, alteration, and mineralization of the San Juan Mine area, Graham County, Arizona: Tucson, University of Arizona, M.S. thesis, 85 p., 6 sheets, scale 1:6,000.

Blacet, P.M., 1972, Late Cretaceous plutonism and metallization south of Lake Mead, in Geological Survey research 1972: U.S. Geological Survey Professional Paper 800-A, p. A44.

Blacet, P.M., 1969, Gold placer and lode deposits, Gold Basin and Lost Basin, in Geological Survey research 1969: U.S. Geological Survey Professional Paper 650-A, p. A1-A2.

Blacet, P.M., 1968, Studies of Precambrian gold deposits, Gold Basin-Lost Basin district, Arizona, in Geological Survey research 1968: U.S. Geological Survey Professional Paper 600-A, p. A4.

Bird, A.T., 1916, Resources of Santa Cruz County: Arizona Bureau of Mines Bulletin no. 29, 27 p.

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.

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.

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.

Bigsby, P.R., 1983, Mineral investigation of the North End Roadless Area, Cochise County, Arizona: U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 1-83, 22 p., 1 sheet, scale 1:50,000.

Berger, H.W., 1932, Saving gold in cemented gravels: Mining Journal, v. 16, no. 14, p. 7, 28.