Sierrita Mts.

Wolff, R.C., 1982, Physical properties of rocks- Porosity, permeability, distribution coefficients, and dispersivity: U.S. Geological Survey Open-File Report 82-166, 118p.

Pearthree, P.A., and Youberg, Ann, 2000, Surficial geologic maps and geologic hazards of the Green Valley - Sahuarita area, Pima County, Arizona, v. 1.0 [Sahuarita, Green Valley, Esperanza Mill, and Twin Buttes 7.5 min]: Arizona Geological Survey Digital Geologic Map Series DGM-03, 1 CD-ROM (21 p., 2 sheets, scale 1:24,000).

Duff, G.J., and Kumke, C.A., 1950, Mining and milling methods at San Xavier Mine, the Eagle-Picher Mining and Smelting Co., Pima County, Ariz.: U.S. Bureau of Mines Information Circular I.C. 7581, 13 p.

Pearthree, P.A., and Youberg, Ann, 2000, Surficial geologic maps and geologic hazards of the Green Valley - Sahuarita area, Pima County, Arizona [Sahuarita, Green Valley, Esperanza Mill, and Twin Buttes 7.5 min]: Arizona Geological Survey Open-File Report 00-13, 21 p., 2 sheets, scale 1:24,000 [now available as Arizona Geological Survey Digital Geologic Map Series DGM-03]

Bouse, R.M., Ruiz, Joaquin, Titley, S.R., Tosdal, R.M., and Wooden, J.L., 1999, Lead isotope compositions of Late Cretaceous and early Tertiary igneous rocks and sulfide minerals in Arizona: Implications for the sources of plutons and metals in porphyry copper deposits: Economic Geology, v. 94, no. 2, p. 211-244.

Eyde, T.H., and Eyde, D.T., 1992, Present and past producers of white calcium carbonate in Arizona, in Houser, B.B., ed., Industrial minerals of the Tucson area and San Pedro Valley, southeastern Arizona, Arizona Geological Society Field Trip, April 4 and 5, 1992: Arizona Geological Society Field Trip Guidebook, p. 37-47.

Drewes, Harald, 1979, Preliminary tectonic map of southeast Arizona: U.S. Geological Survey Open-File Report 79-0775, 2 sheets, scale 1:125,000.