San Pedro River

Hildenbrand, T.G., Simpson, R.W., Godson, R.H., and Kane, M.F., 1982, Digital colored residual and regional Bouguer gravity maps of the conterminous United States with cut-off wavelengths of 250 km and 1000 km: U.S. Geological Survey Geophysical Investigations Map GP-0953A, 2 sheets, scale 1:7,500,000.

Diment, W.H., and Urban, T.C., 1981, Average elevation of the conterminous United States (Gilluly averaging method): U.S. Geological Survey Geophysical Investigations Map GP-0933, 2 sheets, scale 1:2,500,000.

Dempsey, W.J., Fackler, W.D., and others, 1963, Aeromagnetic map of the Dragoon quadrangle, Cochise County, Arizona: U.S. Geological Survey Geophysical Investigations Map GP-0412, 1 sheet, scale 1:62,500.

Saltus, R.W., and Jachens, R.C., 1995, Gravity and basin-depth maps of the Basin and Range Province, western United States: U.S. Geological Survey Geophysical Investigations Map GP-1012, 1 sheet, scale 1:2,500,000.

U.S. Geological Survey, [1963?], Surface water records of Arizona - 1962: U.S. Geological Survey, 185 p.

U.S. Geological Survey, [1964?], Surface water records of Arizona - 1963: U.S. Geological Survey, 191 p.

U.S. Geological Survey, [1962?], Surface water records of Arizona - 1961: U.S. Geological Survey, 167 p.

U.S. Geological Survey, [1966?], 1965 water resources data for Arizona - Part 1. Surface water records: U.S. Geological Survey, 212 p.

U.S. Geological Survey, [1965?], Water quality records in Arizona - 1964: U.S. Geological Survey, 80 p.

U.S. Geological Survey, [1965?], Surface water records of Arizona - 1964: U.S. Geological Survey, 206 p.