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Babcock, J.A., and Hix, G.L., 1982, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1981, with a section on Aquifer compaction, by S.R. Anderson and others: City of Tucson, Arizona, Tucson Water, Planning Division, [125] p., 4 sheets, scale 1:126,720.

Babcock, J.A., Cameron, J.A., and Andrews, John, 1984, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1983: City of Tucson, Arizona, Tucson Water, Planning Division, [134] p., 4 sheets, scale 1:126,720.

Babcock, J.A., Cameron, J.A., and Brumbaugh, Lynn, 1985, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1985: City of Tucson, Arizona, Tucson Water, Planning Division, [149] p., 4 sheets, scale 1:126,720.

Babcock, J.A., Cameron, J.A., and Heidenreich, L.K., 1986, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1985: City of Tucson, Arizona, Tucson Water, Planning Division, [184] p., 4 sheets, scale 1:126,720.

Babcock, J.A., Heidenreich, L.K., and Bergstrom, Jim, 1987, 1986 Static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona: City of Tucson, Arizona, Tucson Water, Planning Division, 223 p., 2 sheets, scale 1:126,720.

Babcock, J.A., Heidenreich, L.K., and Katz, L.T., 1988, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1987: City of Tucson, Arizona, Tucson Water, Planning Division, 137 p., 2 sheets, scale 1:126,720.

Babcock, J.A., Miley, Terry, and Stevens, C.R., 1989, Annual static water level basic data report, Tucson Basin and Avra Valley, Pima County, Arizona, 1988: City of Tucson, Arizona, Tucson Water, Planning and Technical Services Division, 136 p., 2 sheets, scale 1:126,720.