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1957 |
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Uranium deposits in the Dripping Spring Quartzite, Gila County, Arizona |
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1959 |
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Uranium deposits in southwestern Colorado Plateau |
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1952 |
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1958 |
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Uranium deposits at base of the Shinarump Conglomerate, Monument Valley, Arizona |
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1956 |
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Uranium at Copper Cities and other porphyry copper deposits, Miami district, Arizona |
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1962 |
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1993 |
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1921 |
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Uranium and other trace element geochemistry of the Hopi Buttes volcanic province, northeastern Arizona |
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1978 |
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Uranium and other trace element geochemistry of the Hopi Buttes volcanic province, northeastern Arizona |
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1982 |
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Uranium and coexisting element behavior in surface waters and associated sediments with varied sampling techniques used for uranium exploration |
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Uranium accumulation in plants |
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Uraniferous quartzite, Red Bluff prospect, Gila County, Arizona |
Kaiser, E.P. |
1951 |
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Uraniferous quartzite, Red Bluff prospect, Gila County, Arizona |
Kaiser, E.P. |
1951 |
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Upshot mine, Yavapai County, Arizona [copper, lead, zinc] |
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1954 |
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1981 |
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1952 |
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1981 |
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1974 |
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Upper Precambrian basin evolution and depositional styles, central Arizona [abs.] |
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1984 |
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1964 |
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Upper Paleozoic and Lower Mesozoic stratigraphy of Parashant and Andrus Canyons, Mohave County, northwestern Arizona |
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1962 |
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Upper Devonian Swisshelm Formation of southeastern Arizona |
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Upper Devonian source and reservoir rocks in the Black Mesa Basin, northeastern Arizona |
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1983 |
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Upper Devonian conodont biostratigraphy of the Globe-Mammoth area, south-central Arizona [abs.] |
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1976 |
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Upper crustal low-velocity layers: Possible effect of high temperatures over a mantle upwarp at the Basin Range-Colorado Plateau transition |
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1975 |
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Upper Cretaceous stratigraphy of northeastern Arizona and south-central Utah |
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1954 |
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Upper Cretaceous palynomorphs from Coal Canyon, Coconino County, Arizona |
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1967 |
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Upper Cenozoic basalts with high Sr87/Sr86 and Sr/Rb ratios, southern Great Basin, western United States |
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Upper Carboniferous stratigraphy of the Galiuro Mountains |
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1925 |
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Upper Carboniferous and Lower Permian conifers |
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1950 |
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Upper Cambrian faunal patterns on the craton |
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Uplift of the Colorado Plateau due to lithosphere attenuation during Laramide low-angle subduction [abs.] |
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Uplift of the Colorado Plateau due to lithosphere attenuation during Laramide low-angle subduction [abs.] |
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Uplift of the Colorado Plateau due to lithosphere attenuation during Laramide low-angle subduction |
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Uplift and gravitational response, east end of Catalina forerange near Tucson, Arizona |
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Update on pollen in Grand Canyon |
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Update of published geologic maps of Arizona, (Nos. 1-43) November 1982 - June 1984 |
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1984 |
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Unusual porphyritic dike near Boulder Dam, Arizona [abs.] |
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1939 |
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1978 |
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1978 |
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Unobligated and utilized reservoir storage at Federally controlled dams |
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1977 |
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Univariate and multivariate statistical analysis used in the preliminary stages of property evaluation--Copper Queen mine, Yavapai County, Arizona [abs.] |
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United Eastern report gives future plans |
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United Eastern mine, Oatman, Arizona |
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United Eastern Company pushing development work |
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Uniform-sense normal simple shear of the continental lithosphere |
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1985 |
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1984 |
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Ungulate diets in the lower Grand Canyon |
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1973 |
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Underground waters of Salt River Valley, Arizona |
Lee, W.T. |
1905 |
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Underground waters of Gila Valley, Arizona |
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1904 |
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Underground mining methods and costs at three Salt Wash uranium mines of Climax Uranium Co. |
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1959 |
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Underground mine pillar design utilizing rock mass properties, Marble Peak, Pima County, Arizona |
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1976 |
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Underground geologic evaluation; Hack Canyon breccia pipe uranium orebody, Mohave County, Arizona [abs.] |
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1986 |
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Underground air returns as active transportation pathways for radon gas entry into homes |
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Unconformity between gneissic granodiorite and overlying Yavapai Series (older Precambrian), central Arizona |
Blacet, P.M. |
1966 |
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Unconformity at the Cardenas-Nankoweap contact (Precambrian), Grand Canyon Supergroup, northern Arizona |
Elston, D.P., and Scott, G.R. |
1976 |
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Unconfined aquifer recharge from water table configuration modeling |
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1986 |
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Uncompahgran and Beltian deposits in western North America, in Contributions to Pre-Cambrian Geology of western North America |
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Umohoite from Cameron, Arizona |
Hamilton, Peggy-Kay, and Kerr, P.F. |
1959 |
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Ultrapotassic trachytes at Picacho Peak in the southern Basin and Range province, Arizona [abs.] |
Shafiqullah, M., Damon, P.E., and Lynch, D.J. |
1976 |
|
Ultramafic inclusions in limburgite, Hopi Buttes Volcanic Field, Arizona |
Lewis, P.H. |
1973 |
|
Ultramafic inclusions from San Carlos, Arizona: Petrologic and geochemical data bearing on their petrogenesis |
Frey, F.A., and Prinz, Martin |
1978 |
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1969 |
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Uber die wandstrukturen Sphaeromorpher Acritarchen: Tasmanites Newton, Tapajonites Sommer & Van Boekel, Chuaria Walcott |
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1977 |
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Uber Chuaria wimani Brotzen |
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1966 |
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U3O8 search draws a crowd in Arizona's Mohave-Yavapai-Yuma areas |
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1978 |
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U.S. survey of the West. The Wheeler exploring expedition, in Tribune Popular Science |
Tribune Popular Science |
1874 |
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U.S. Program for the Geodynamics Project |
U.S. Geodynamics Committee |
1973 |
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U.S. Mexican cooperative in techniques for mineral exploration in the Sonoran environment [abs.] |
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1975 |
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U.S. Geological Survey subsidence interest group conference, proceedings of the technical meeting, Las Vegas, Nevada, February 14-16 1995 |
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1997 |
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1988 |
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U.S. Geological Survey ground-water studies in Arizona |
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