An occurrence of bixbyite, spessartine, topaz and pseudobrookite from Ash Creek near Hayden, Arizona |
White, J.S., Jr. |
1992 |
An investigation of the properties of the San Bernardino groundwater basin, Arizona and Sonora, Mexico: A final report of work performed for the United States Fish and Wildlife Service |
Earman, Sam, McPherson, B.J.O.L., Phillips, F.M., Ralser, S., and Herrin, J.M. |
2003 |
An investigation of the manner and time of formation of malachite |
Beane, R.E. |
1968 |
An investigation of the light-colored, cross-bedded sandstones of Canyon de Chelly, Ariz |
McKee, E.D. |
1934 |
An investigation of the invertebrate paleontology of the Tsegi and Naha formations in Tsegi Canyon, Arizona |
Briscoe, M.K. |
1974 |
An introduction to the paleoecology of Coal Mine Canyon, Arizona |
Ward, J. |
1973 |
An introduction to Grand Canyon geology |
Collier, M.P. |
1980 |
An interpretation of the 1997 airborne electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona |
Bultman, M.W., Gettings, M.E., and Wynn, Jeff |
2002 |
An interpretation of the 1996 aeromagnetic data for the Santa Cruz basin, Tumacacori Mountains, Santa Rita Mountains, and Patagonia Mountains, south-central Arizona |
Gettings, M.E. |
2002 |
An international calibration for radiocarbon dates, preliminary results of the University of Arizona workshop on calibration of the radiocarbon time scale |
Michael, H.N., and Klein, J. |
1979 |
An interdisciplinary evaluation of ERTS potential for arid regions, in Annual Conference on Remote Sensing in Arid Lands, 3rd, Tucson, Ariz., 1972, Proceedings |
Tueller, P.T. |
1971 |
An interactive model of suspended sediment yield on forested watersheds in central Arizona, in Harwood, Gerald, and DeCook, K.J., eds., Hydrology and water resources in Arizona and the Southwest, V. 9 |
Rasmussen, W.O, and Ffolliott, P.F. |
1979 |
An integration of geophysical and Landsat data - Northeastern Arizona |
Gutman, S.I., and Heckmann, G.A. |
1977 |
An integrated data base management and analysis system for gravity, in Sturgul, J.R., ed., Eleventh International Symposium on Computer Applications in the Mineral Industry, v. 2 |
Schmidt, J.S., Aiken, C.L.V., and Sumner, J.S. |
1973 |
An induced-polarization survey at Meteor Crater, Arizona |
Wilkins, J., Jr. |
1974 |
An immense, nonmarine Miocene salt deposit in the Basin and Range of northwestern Arizona [abs.] |
Faulds, J.E., Schreiber, B.C., Reynolds, S.J., and Okaya, D. |
1995 |
An experimental and geochemical study of the high-K latites and associated nodules from Camp Creek, Arizona |
Esperanca, S. |
1984 |
An excursion to the Plateau province of Utah and Arizona |
Davis, W.M. |
1903 |
An excursion to the Grand Canyon of the Colorado |
Davis, W.M. |
1901 |
An excursion to the Colorado Canyon [abs.] |
Davis, W.M. |
1901 |
An excursion to the Colorado Canyon [abs.] |
Davis, W.M. |
1901 |
An example of the use of gravity in ground-water exploration [abs.] |
Van Nostrand, R.G. |
1976 |
An example of regional ground-water assessment in the southwestern United States [abs.] |
Landers, R.A. |
1978 |
An example of a northern Arizona solution-collapse breccia pipe - Geology of the Pigeon Pipe [abs.] |
Schafer, R.N. |
1988 |
An evaluation of total solar reflectance and spectral band ratioing techniques for estimation soil water contet |
Reginato, R.J., Vedder, J.F., Idso, S.B., Jackson, R.D., Blanchard, M.B., and Goettelman, R. |
1977 |
An evaluation of the uranium-thorium-helium method for dating young basalts |
Leventhal, J.S. |
1975 |
An evaluation of the pollen contents of coprolites as environmental indicators |
King, F.B. |
1977 |
An evaluation of the olivine resources of the San Carlos Apache Indian Reservation and recommendations for potential development |
Moore, R.T., and Vuich, J.S. |
1977 |
An evaluation of the Mammoth, Arizona diatomaceous earth deposit, prepared for American Diatomes, Inc. [includes an addendum report dated July 24, 1962] |
Bollaert, A.R. |
1962 |
An evaluation of geochemical sampling in the search for concealed 'porphyry' copper-molybdenum deposits on pediments in southern Arizona, in Geochemical exploration - International Geochemical Exploration Symposium, 3rd, Toronto, Ontario... |
Chaffee, M.A., and Hessin, T.D. |
1971 |
An evaluation of current practices in seepage control, in Fogel, M.M., ed., Hydrology and water resources in Arizona and the Southwest, V. 2 |
Boyer, D.G., and Cluff, C.B. |
1972 |
An estimation of the water resources for water planning and management in Fort Valley, Coconino County, Arizona |
Hazlehurst, W.M. |
1988 |
An engineering and economic feasibility study for diversion of Central Arizona Project waters from alternate sites |
Little, W.M. |
1968 |
An electrical resistivity survey in the Avra Valley, Pima County, Arizona |
Qahwash, A.A. |
1972 |
An economic analysis of the Central Arizona Project, in White, L.M., ed., Hydrology and water resources in Arizona and the Southwest, V. 7 |
Barr, J.L., and Pingry, D.E. |
1977 |
An ecological analysis of four Permian faunas |
Nicol, D. |
1965 |
An earth fissure in southern Arizona |
Leonard, R.J. |
1929 |
An Early Proterozoic volcano-hydrothermal system, Bagdad, Arizona [abs.] |
Connelly, T.J., Conway, C.M., and Robison, L.C. |
1986 |
An Early Proterozoic volcanic-hydrothermal-exhalative system at Bagdad, Arizona, in Beatty, B., and Wilkinson, P.A.K., eds., Frontiers in geology and ore deposits of Arizona and the Southwest |
Conway, C.M., Connelly, T.J., and Robison, L.C. |
1986 |
An Early Proterozoic ophiolite, central Arizona: U-Pb zircon constraints on its structure and development [abs.] |
Dann, J.C., Chamberlain, K.R., and Bowring, S.A. |
1989 |
An early chapter of earth history |
Hinds, N.E.A. |
1938 |
An axial view of a metamorphic core complex: Crustal structure of the Whipple and Chemehuevi Mountains, southeastern California |
Wilson, J.M., McCarthy, J., Johnson, R.A., and Howard, K.A. |
1991 |
An automatic event detector at the Tonto Forest Seismic Observatory |
Blandford, R.R. |
1974 |
An attempt to define the Curie point isotherm in northern and central Arizona |
Byerly, P.E., and Stolt, R.H. |
1977 |
An assessment of the Verde River Corridor Project in Arizona |
Averitt, Elaine, Steiner, Frederick, Yabes, R.A., and Patten, Duncan |
1994 |
An assessment of the potential to use water chemistry parameters to define ground water flow pathways at Grand Canyon National Park, Arizona |
Zukosky, K.A. |
1995 |
An assessment of the paleoflood hydrology methodology: Analysis of the 1993 flood on Tonto Creek, central Arizona |
Fuller, J.E., House, P.K., and Pearthree, P.A. |
1996 |
An assessment of recharge from irrigated agricultural land in Harquahala Plains, Arizona |
Bowen, R.A. |
1989 |
An ash flow caldera in cross section: Ongoing field and geochemical studies of the mid-Tertiary Turkey Creek Caldera, Chiricahua Mountains, SE Arizona |
du Bray, E.A., and Pallister, J.S. |
1991 |
An Arizona gold nugget of unusual size |
Heineman, R.E.S. |
1931 |
An Arizona copper deposit |
Blandy, J.F. |
1897 |
An archaeomagnetic paleointensity study of some Hohokam potsherds from Snaketown, Arizona [abs.] |
Sternberg, R.S., and Butler, R.F. |
1977 |
An archaeomagnetic paleointensity study of some Hohokam potsherds from Snaketown, Arizona |
Sternberg, R.S., and Butler, R.F. |
1978 |
An appraisal study of the geothermal resources of Arizona and adjacent areas in New Mexico and Utah and their value for desalination and other uses |
Swanberg, C.A., Morgan, Paul, Stoyer, C.H., and Witcher, J.C. |
1977 |
An appraisal of the ground-water resources of Avra and Altar Valleys Pima County, Arizona |
White, N.D., Matlock, W.G., and Schwalen, H.C. |
1966 |
An application of the regional groundwater flow model of the Salt River Valley, Arizona, Analysis of future water use and supply conditions: Current trends alternative 1989-2025 |
Hipke, W., Putman, F., Holway, J.M., and Ferrell, M. |
1996 |
An application of statistical analyses to exploration for uranium on the Colorado Plateau |
Bates, R.C. |
1959 |
An application of satellite imagery to mineral exploration, in Woll, P.W., and Fischer, W.A., eds., First annual William T. Pecora memorial symposium, Sioux Falls, S. Dak., October 1975, Proceedings |
Liggett, M.A., and Childs, J.F. |
1977 |
An ancient rockfall at Nankoweap Rapids in Marble Canyon, Grand Canyon National Park, Arizona [abs.] |
Hereford, Richard |
1978 |
An ancestral crocodile |
Brown, Barnum |
1933 |
An ancestral Colorado Plateau edge: Fossil Creek Canyon, Arizona, in Hill, M.L., ed., Cordilleran Section of the Geological Society of America |
Peirce, H.W. |
1987 |
An analysis of yearly differences in snowpack inventory-prediction relationships, in Fogel, M.M., ed., Hydrology and water resources in Arizona and the Southwest, V. 2 |
Ffolliott, P.F., Thorud, D.B., and Enz, R.W. |
1972 |
An analysis of two hypotheses concerning the Cenozoic tectonism of the western United States |
Kilty, K.T. |
1982 |
An analysis of the properties of fractured crystalline rocks |
Knapp, R.B. |
1975 |
An analysis of the carbonate facies of the Hermosa Formation (Pennsylvanian) of northeastern Arizona |
Pope, R.W. |
1976 |
An analysis of some salt samples from the Southwest |
Taylor, W.W. |
1954 |
An analysis of some data from natural alluvial channels |
Caddie, G.H. |
1969 |
An analysis of gravity data from the Tucson basin, Arizona |
Davis, R.W. |
1971 |
An analysis of cross-lamination; the Coconino Sandstone |
Reiche, Parry |
1938 |
An analysis and comparison of pebbles from the Chinle and Morrison Formations, Arizona and New Mexico |
Dodge, C.N. |
1973 |
An American haboob |
Idso, S.B., Ingram, R.S., and Pritchard, J.M. |
1972 |
An American geological railway guide, giving the geological formation at every railway station, with altitudes above mean tide-water, notes on interesting places on the routes, and a description of each of the formations |
Macfarlane, J. |
1890 |
An Algonkian jellyfish from the Grand Canyon of the Colorado |
Hinds, N.E.A. |
1938 |
An aerial radiometric and magnetic survey of the Sierra Ancha Wilderness, Salome Study Area, Gila County, Arizona |
Duval, J.S., and Pitkin, J.A. |
1980 |
An accounting system for water and consumptive use along the Colorado River, Hoover Dam to Mexico |
Owen-Joyce, S.J., and Raymond, L.H. |
1996 |
An abridged overview of some features of porphyry copper deposits in the American Southwest, in Thorman, C.H., and Lane, D.E., eds., USGS Research on Mineral Resources - 1994, Part B - Guidebook for Field Trips, Ninth V.E. McKelvey Forum... |
Titley, S.R. |
1994 |
Amphibolitic rocks from Precambrian of Grand Canyon; mineral chemistry and phase petrology |
Clark, M.D. |
1978 |
Amphibole-bearing nodules in basanitic lavas [abs.] |
Best, M.G. |
1969 |
Amphibole-bearing cumulate inclusions, Grand Canyon, Arizona and their bearing on silica-undersaturated hydrous magmas in the upper mantle |
Best, M.G. |
1975 |
Amphibians and reptiles of the Grand Canyon National Park |
Miller, D.M., Young, R.A., Gatlin, T.W., and Richardson, J.A. |
1982 |
Amount of sediment, in Smith, W.O., and others, Comprehensive survey of sedimentation in Lake Mead, 1948-49 |
Gould, H.R. |
1960 |
Amino acid geochronology utilizing terrestrial gastropods from western U.S. [abs.] |
Miller, G.H., Nelson, A.R., McCoy, William, and Metcalf, A.L. |
1979 |
American Permian nautiloids |
Miller, A.K., and Youngquist, W. |
1949 |
Ambient groundwater quality of the Yuma Basin: A 1995 baseline study September 1998 |
Towne, D.C., and Yu, W.K. |
1998 |
Ambient groundwater quality of the Willcox Basin: A 1999 baseline study |
Towne, D.C., and Freark, M.C. |
2001 |
Ambient groundwater quality of the Sacramento Valley basin: A 1999 baseline study |
Towne, D.C., and Freark, M.C. |
2001 |
Ambient groundwater quality of the Prescott Active Management Area: A 1997-1998 baseline study, with maps by Larry W. Stephenson [abs.], in Annual Symposium, 14th, September 12-15, 2001, Proceedings |
Towne, D.C., and Freark, M.C. |
2000 |
Ambient groundwater quality of the Prescott Active Management Area: A 1997-1998 baseline study |
Towne, D.C., and Freark, M.C. |
2000 |
Amargosa (Esperanza) molybdenum-copper property, Pima County, Ariz. |
Tainter, S.L. |
1947 |
Alunite, in Mineral and water resources of Arizona |
Keith, Stanton B. |
1969 |
Alunite resources of the United States |
Thoenen, J.R. |
1941 |
Alunite in Patagonia, Arizona, and Bovard, Nevada |
Schrader, F.C. |
1913 |
Alunite in granite porphyry near Patagonia, Arizona, in Contributions to economic geology (short papers and preliminary reports) 1912: Part I--Metals and nonmetals except fuels |
Schrader, F.C. |
1914 |
Alunite |
Heineman, R.E., comp. |
1940 |
Aluminosilicate sedimentation in Lake Powell |
Mayer, L.M. |
1973 |
Alternatives for managing a finite groundwater supply in an arid region |
Foster, K.E. |
1978 |
Alternative reclamation methods hold promise for the West |
Mining Engineering |
1978 |
Alternative futures, Phase II, Arizona State Water Plan |
Linser, C.L. |
1977 |
Altered (pyritized) rocks in San Simon Valley, southeastern Arizona, in Geological Survey research 1970 |
Eaton, G.P. |
1970 |
Alteration-mineralization zoning, Red Mountain, Arizona |
Corn, R.M. |
1975 |