Andreasen, G.E., and Pitkin, J.A., 1964, Aeromagnetic map of the Twin Buttes area, Pima and Santa Cruz Counties, Arizona [abs.]: Geophysical Abstracts, no. 209, item 315.
Altar Valley
Placename Counties
PM
Placename Label
Altar Valley
Aeromagnetic map of the Twin Buttes area, Pima and Santa Cruz Counties, Arizona [abs.]
Aeromagnetic map of the Twin Buttes area, Pima and Santa Cruz Counties, Arizona
Andreasen, G.E., and Pitkin, J.A., 1963, Aeromagnetic map of the Twin Buttes area, Pima and Santa Cruz Counties, Arizona: U.S. Geological Survey Geophysical Investigations Map GP-0426, 1 sheet, scale 1:62,500.
Recent valley deposits in southern Arizona, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story
Agenbroad, L.D., 1984, Recent valley deposits in southern Arizona, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 253-268.
