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U.S. Geological Survey |
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U-Th-PbRAD isotopic studies in six cogenetic mineral species from a uraniferous Precambrian granite [abs.] |
Williams, I.S., and Silver, L.T. |
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U-Th-Pb zircon ages from Santa Rita Mtns., SE Arizona: Implications for timing of early Mesozoic magmatism [abs.] |
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1988 |
U-Pb zircon constraints on Proterozoic tectonic evolution in central Arizona [abs.] |
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U-Pb isotope relations and their historical implications in Precambrian zircons from Bagdad, Arizona [abs.], in Abstracts for 1966 |
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U-Pb geochronologic data from zircons from eleven granitic rocks in central and western Arizona |
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1999 |
U-Pb geochronologic constraints on the Paleoproterozoic crustal evolution of the Upper Granite Gorge, Grand Canyon, Arizona |
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1996 |
U-Pb geochronologic constraints on the age of thrusting, crustal extension, and peraluminous plutonism in the Little Rincon Mountains, southern Arizona |
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U-Pb geochronologic constraints on Early Proterozoic crustal evolution, upper Granite Gorge, Grand Canyon, Arizona [abs.] |
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1993 |
U-Pb dating of uranium deposits in collapse breccia pipes of the Grand Canyon region |
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1992 |
U-Pb ages of the Mount Wrightson Formation, southern Arizona, and possible correlation with the Navajo Sandstone [abs.] |
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Two types of mineralization related to Tertiary detachment faults in the southwestern United States [abs.] |
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Two salt structures in Arizona: The Supai salt basin and the Luke salt body |
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Two new fresh-water gastropods from the Mesozoic of Arizona |
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Two Late Pleistocene plant communities from the Grand Canyon [abs.] |
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Two contrasting suites of late Cretaceous and early Tertiary granitoids, south-central Arizona [abs.] |
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1983 |
Two belts of Late Cretaceous to early Tertiary crystalline thrust faults in southwest Arizona and southeast California [abs.] |
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Twin Buttes Camp, Pima County, Ariz. |
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1979 |
Turquoise mine and artifact correlation for Snaketown site, Arizona |
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Turquoise deposits of Courtland, Arizona |
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1937 |
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Tungsten mineralization at the Swisshelm Mountains, Cochise County, Arizona |
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1962 |
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1959 |
Tungsten deposits of Gila, Yavapai, and Mohave Counties, Arizona |
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1961 |
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1960 |
Tungsten deposits of Arizona |
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Tungsten deposits near Morristown, Maricopa County, Arizona |
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1963 |
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1986 |
Tucson's Santa Cruz River and the arroyo legacy |
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1990 |
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1994 |
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1939 |
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Lipman, P.W. |
1994 |
Tucson metropolitan area--A. Ease of excavation and potential erodibility, B. Flood hazards, C. Slope relief |
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1977 |
Tucson metropolitan area, (a) ease of excavation and potential erodibility, (b) flood hazards, (c) slope relief |
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1977 |
Tucson 1o x 2o quadrangle, ease of excavation and potential erodibility, phases 4 and 5 |
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1975 |
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1960 |
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1961 |
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1979 |
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2000 |
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1992 |
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1942 |
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1982 |
Triple S mine, Yavapai County, Arizona |
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1968 |
Trip 8: Copper Creek, Tiger, San Manuel open pit, Kalamazoo, October 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Guthrie, J.O. |
1994 |
Trip 7: Ray, Poston Butte, Sacaton, Santa Cruz, Cyprus Tohono, October 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
John, Ed, Kreis, Henry, and Hoag, Corolla |
1994 |
Trip 6: Globe-Miami and Superior Districts: Thornton, Live Oak, Pinto Valley, Old Dominion-Magma, Carlota, October 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Bingham, Brent, and Lenzi, Gary |
1994 |
Trip 18: Safford District (Sanchez) and Morenci - Metcalf, October, 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Bartlett, M.W., North, R.M., Preece, R.K., Childers, R.L., Schleiss, W.A.Ring, J.A., and Dreier, J.E. |
1994 |
Trip 17: Bagdad, Bruce/Old Dick, Copper Basin, Bradshaw Mountains, October, 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
O'Hara, P.F., and Hawley, John |
1994 |
Trip 16: Tombstone, Bisbee, Courtland-Gleeson, Pearce, Johnson Camp - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Briscoe, J.A. |
1994 |
Trip 15: Silver Bell, North Silver Bell, October 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Guilbert, J.M. |
1994 |
Trip 14: Patagonia, Red Mountain, Hardshell, October 1994 - Bootprints Along the Cordillera, Porphyry Copper Deposits from Alaska to Chile |
Corn, Russ, Ahern, Dick, Quinlan, Jim, and Graybeal, Fred |
1994 |
Trilobites of the Middle Permian Kaibab formation of northern Arizona |
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1945 |
Trichloroethylene and 1,1-dichloroethylene concentrations in ground water after temporary shutdown of the reclamation well field at Air Force Plant 44, Tucson, Arizona, 1999 |
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2001 |
Tributary debris fans and the late Holocene alluvial chronology of the Colorado River, eastern Grand Canyon, Arizona |
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1996 |
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1985 |
Triassic-Jurassic continental systems, northern Arizona, in Nations, J.D., Conway, C.M., and Swann, G.A., eds., Geology of central and northern Arizona, Geological Society of America, Rocky Mountain Section Meeting, Flagstaff, Ariz.,... |
Blakey, R.C., and Middleton, L.T. |
1986 |
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MacLachlan, M.E. |
1972 |
Triassic studies, in Geologic investigations of radioactive deposits, semi-annual progress report, December 1, 1955 to May 31, 1956 |
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1956 |
Triassic studies, in Geologic investigations of radioactive deposits - Semiannual progress report, June 1 to November 30, 1957 |
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1957 |
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1957 |
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1957 |
Triassic studies, in Colorado Plateau region, in Geologic investigations of radioactive deposits - Semiannual progress report for December 1, 1957 to May 31, 1958 |
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1958 |
Triassic stratigraphy of west-central New Mexico, in Anderson, O.J., Lucas, S.G., Love, D.W., and Cather, S.M., eds., Southeastern Colorado Plateau |
Lucas, S.G., and Hayden, S.N. |
1989 |
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Cooley, M.E. |
1959 |
Triassic stratigraphy and tetrapod biochronology of the Petrified Forest National Park and vicinity, eastern Arizona [abs.] |
Heckert, A.B., and Lucas, S.G. |
1997 |
Triassic rocks of northeast Arizona and adjacent areas, in James, H.L., ed., Guidebook of Monument Valley and vicinity, Arizona and Utah |
O'Sullivan, R.B., and Green, M.W. |
1973 |
Triassic rocks in the San Juan Basin of New Mexico and adjacent areas, in Fassett, J.E., and James, H.L., eds., Guidebook of San Juan Basin III, northwestern New Mexico |
O'Sullivan, R.B. |
1977 |
Triassic plant fossils of Arizona, in Boaz, Debra, and Dornan, Michael, eds., Proceedings of the First Annual Symposium, Fossils of Arizona |
Pigg, K.B. |
1993 |
Triassic pebbles in northern Arizona containing invertebrate fossils |
McKee, E.D. |
1937 |
Triassic dicynodont reptiles |
Camp, C.L., and Welles, S.P. |
1956 |
Triassic desposits of the Arizona - New Mexico border area, in Smith, C.T., ed., Guidebook of the south and west sides of the San Juan Basin, New Mexico and Arizona |
McKee, E.D. |
1951 |
Triassic bentonite of the Painted Desert |
Allen, V.T. |
1930 |
Triassic and older stratigraphy; southern Rocky Mountains and Colorado Plateau, in Sloss, L.L., ed., Sedimentary cover--North American craton - U.S. |
Baars, D.L. |
1988 |
Triassic and Jurassic geology of the southern Colorado Plateau, in Jenney, J.P., and Reynolds, S.J., eds., Geologic evolution of Arizona |
Blakey, R.C. |
1989 |
Tres Amigos gold veins of Arizona |
Keyes, Charles |
1923 |
Trend analysis of selected water-quality constituents in the Verde River Basin, central Arizona |
Baldys, Stanley, III |
1990 |
Tree-ring hydrology of the Colorado River basin |
Schulman, Edmund |
1945 |
Tree-ring evidence for climatic changes in the prehistoric Southwest from A.D. 1000 to 1200 |
Robinson, W.J., and Dean, J.S. |
1969 |