Bear Hills

U.S. Geological Survey, 1979, Land use and land cover, 1972-74, Phoenix, Arizona: U.S. Geological Survey Land Use Series Map L-42, 1 sheet, scale 1:250,000.

U.S. Bureau of Land Management, 1978, Proposed Palo Verde-Devers power transmission line: U.S. Bureau of Land Management and U.S. Nuclear Regulatory Commission, Draft Environmental Statement, 266 p., 31 sheets, scale 1:1,000,000.

Spencer, J.E., and Reynolds, S.J., 1990, Relationship between Mesozoic and Cenozoic tectonic features in west central Arizona and adjacent southeastern California: Journal of Geophysical Research, v. 95, no. B1, p. 539-555.

Scarborough, R.B., 1985, Geologic cross sections of western Arizona Basin and Range, with accompanying geologic maps and other information: Arizona Bureau of Geology and Mineral Technology Open-File Report 85-02, 10 p., 34 sheets, scales 1:250,000 and 1:500,000.

Place, J.L., 1974, Change in land use in the Phoenix (1:250,000) quadrangle, Arizona between 1970 and 1973, ERTS as an aid in a nationwide program for mapping general land use, in Freden, S.C., Mercanti, E.P., and Becker, M.A., eds., Third Earth Resources Technology Satellite-1 Symposium - Vol. I: Technical presentations, Section A: U.S. National Aeronautics and Space Administration Special Publication 351, p. 1213-1223.

Pilonero, J.T., 1976, Satellite image maps of the State of Arizona and of Phoenix, in Williams, R.S., Jr., and Carter, W.D., eds., ERTS-1, A new window on our planet: U.S. Geological Survey Professional Paper 929, p. 29-31.

Moore, R.T., 1969, Beryllium, in Mineral and water resources of Arizona: Arizona Bureau of Mines Bulletin 180, p. 102-113.

Montgomery, E.L., and Harshbarger, J.W., 1989, Arizona hydrogeology and water supply, in Jenney, J.P., and Reynolds, S.J., eds., Geologic evolution of Arizona: Arizona Geological Society Digest 17, p. 827-840.

Metzger, D.G., 1951, Geology and ground-water resources of the northern part of the Ranegras Plain area, Yuma County [La Paz County], Arizona: U.S. Geological Survey Open-File Report [unnumbered], Tucson, Ariz., February 1951, 35 p.

Meeves, H.C., 1966, Nonpegmatitic beryllium occurrences in Arizona, Colorado, New Mexico, Utah, and four adjacent states: U.S. Bureau of Mines Report of Investigations R.I. 6828, 68 p.