| U.S. dependence on imports of five critical minerals--implications and policy alternatives : Multiagency : report to the Congress by United States. General Accounting Office - 1975 - 122 pages |
| U.S. economic dependence on six imported strategic non-fuel minerals by Gary L. Guenther, United States. Congress. House. Committee on Banking, Finance, and Urban Affairs. Subcommittee on Economic Stabilization, Library of Congress. Congressional Research Service - 1982 - 54 pages |
| U.S. minerals vulnerability by United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining - 1980 - 83 pages |
| U.S. minerals vulnerability by United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining - 1980 - 83 pages |
| U.S. minerals vulnerability by United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining - 1950 - 89 pages |
| Ugolʹnai︠a︡ promyshlennostʹ SShA. by Roman I︠U︡rʹevich Podėrni - 1968 - 187 pages |
| Uinta-southwestern Utah coal region by United States. Bureau of Land Management. Utah State Office - 1983 - 415 pages |
| Ultra low frequency electromagnetic fire alarm system for underground mines by Kenneth E. Hjelmstad, William H. Pomroy, United States. Bureau of Mines - 1991 - 11 pages |
| Ultraviolet-visible and infrared emission spectra of propagating methane-coal-dust inhibitor flames by Zachery J. Fink, Louis E. Dalverny, Joseph Grumer - 1974 - 56 pages |
| Un artisanat minier by André Claude - 1974 - 272 pages |
| Un granito de sal by Eduardo Flores Clair - 1992 - 51 pages |
| Un millénaire d'exploitation du sel en Franche-Comté by Claude-Isabelle Brelot, René Locatelli, Association comtoise des arts et traditions populaires, Université de Franche-Comté. Institut universitaire des arts et traditions populaires - 1981 - 109 pages |
| Un passato industriale by Michele Lungonelli - 1997 - 144 pages |
| Un Siecle de Capitalisme Minier Au Chili, 1830-1930 by Pierre Vayssière - 1980 - 333 pages |
| Un siècle de capitalisme minier au Chili, 1830-1930 by Pierre Vayssière - 1980 - 333 pages |
| Un siècle de capitalisme minier au Chili, 1830-1930 by Pierre Vayssière - 1980 - 333 pages |
| Uncertainties surround future of U.S. ocean mining by United States. General Accounting Office - 1983 - 55 pages |
| Unclaimed hardrock mines by United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources, United States. Congress. House. Committee on Natural Resources. Subcommittee on Oversight and Investigations - 1993 - 264 pages |
| Unclaimed hardrock mines by United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources, United States. Congress. House. Committee on Natural Resources. Subcommittee on Oversight and Investigations - 1993 - 264 pages |
| Unclaimed hardrock mines by United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources, United States. Congress. House. Committee on Natural Resources. Subcommittee on Oversight and Investigations - 1993 - 264 pages |
| Unclaimed hardrock mines by United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources, United States. Congress. House. Committee on Natural Resources. Subcommittee on Oversight and Investigations - 1993 - 264 pages |
| Unconsolidated mineral deposits in the exclusive economic zone by United Nations. Dept. of International Economic and Social Affairs - 1985 - 80 pages |
| Uncontrolled fires in coal and coal wastes by Simon Walker, IEA Coal Research - 1999 - 72 pages |
| Under the coolibah tree by Gordon F. Young - 1953 - 272 pages |
| Under the crust by B. L. Winchell, Denver South Park and Pacific Railway - 1896 - 128 pages |
| Underground anthracite by United States. Mine Safety and Health Administration, National Mine Health and Safety Academy - 1988 |
| Underground blasting accident involving an air-placed ammonium nitrate-fuel oil mixture by Robert Wayne Van Dolah, George Morton Kintz, W. Marion Baker - 1962 - 13 pages |
| Underground chute gates in metal mines by Charles. F. Jackson, John B. Knaebel, United States. Bureau of Mines - 1931 - 22 pages |
| Underground coal by United States. Mine Safety and Health Administration, National Mine Health and Safety Academy - 1986 |
| Underground coal mine lighting handbook, (in two parts). - 1986 - 42 pages |
| Underground coal mine lighting handbook, (in two parts). - 1986 - 89 pages |
| Underground coal mine power systems by United States. Bureau of Mines - 1982 - 88 pages |
| Underground Disposal of Coal Mine Wastes by Study Committee to Assess the Feasibility of Returning Underground Coal Mine Wastes to the Mined-Out Areas - 1975 - 172 pages |
| Underground disposal of coal mine wastes by Study Committee to Assess the Feasibility of Returning Underground Coal Mine Wastes to the Mined-Out Areas, National Science Foundation (U.S.) - 1975 - 172 pages |
| Underground gob gas drainage during longwall mining by Steven J. Schatzel, Gerald L. Finfinger, Joseph Cervik, United States. Bureau of Mines - 1982 - 14 pages |
| Underground loading devices in metal mines by C. Lorimer Colburn, United States. Bureau of Mines - 1921 - 19 pages |
| Underground metal and nonmetal mine fire protection by United States. Bureau of Mines - 1981 - 150 pages |
| Underground metal-mine fires from cutting and welding by Allen D. Look - 1948 - 9 pages |
| Underground mill at the Doyle Mine, Shullsburg, Wis by Wing G. Agnew - 1936 - 4 pages |
| Underground mine communications by Pittsburgh Mining and Safety Research Center - 1977 - 37 pages |
| Underground mine design and cost estimation by Scott A. Stebbins, United States. Bureau of Mines. Western Field Operations Center. Branch of Engineering and Economic Evaluation - 1987 |
| Underground mine disaster survival and rescue by National Research Council (U.S.). Committee on Underground Mine Disaster Survival and Rescue, United States. Bureau of Mines - 1981 - 122 pages |
| Underground mine disaster survival and rescue by National Research Council (U.S.). Committee on Underground Mine Disaster Survival and Rescue, United States. Bureau of Mines - 1981 - 122 pages |
| Underground mines in the Survant Coal Member (Pennsylvanian) of Indiana by Denver Harper, Indiana. Dept. of Natural Resources - 1988 - 19 pages |
| Underground mining by Skelly and Loy, Nicholas P. Chironis, United States. Mine Safety and Health Administration - 1980 |
| Underground mining by John Steven Fitzpatrick - 1974 - 560 pages |
| Underground mining methods by Atlas Copco MCT AB - 2005 - 120 pages |
| Underground mining practice and costs at a Mesabi Range (Minnesota) mine using the top slicing system by W. D. Haselton - 1930 - 11 pages |
| Underground noise interference effects of the personal respirable coal mine dust sampler by Dennis A. Giardino, United States. Mine Safety and Health Administration - 1980 - 7 pages |
| Underground Operators' Conference, Kalgoorlie, WA, 13-14 November 1995 by Australasian Institute of Mining and Metallurgy. Kalgoorlie Branch, Western Australian School of Mines - 1995 - 346 pages |
| Underground transport and communication in collieries by South African Institute of Mining and Metallurgy - 1983 |
| Underground transport and communication in collieries by South African Institute of Mining and Metallurgy - 1983 |
| Underground transport and communication in collieries by South African Institute of Mining and Metallurgy - 1983 |
| Underground transport in coal mines by Commission of the European Communities, Commission of the European Communities. Directorate-General for Energy, Commission of the European Communities. Directorate-General for Scientific and Technical Information and Information Management - 1978 |
| Underground transportation in the Ruhr coal-mining district of Germany by R. W. Stahl - 1950 - 9 pages |
| Underground transportation of coal by Albert L. Toenges, Frank A. Jones, Edward Thomas - 1940 - 62 pages |
| Underground transportation of coal by Albert L. Toenges, Frank A. Jones, Edward Thomas - 1940 - 62 pages |
| Underground ventilation at Butte by Daniel Harrington - 1923 - 131 pages |
| Underground, haulage, transportation, and machinery by National Mine Health and Safety Academy - 1993 - 120 pages |
| Underground, haulage, transportation, and machinery by National Mine Health and Safety Academy - 1993 - 120 pages |
| Understanding and Responding to Hazardous Substances at Mine Sites in the Western United States by Jerome V. DeGraff - 2007 - 180 pages |
| Undoing a myth by Juan O'Brien, International Council on Metals and the Environment - 1994 - 24 pages |
| Unemployment relief through development of mineral resources by United States. Congress. Senate. Committee on Mines and Mining - 1935 - 27 pages |
| Unemployment relief through development of mineral resources by United States. Congress. Senate. Committee on Mines and Mining - 1935 - 27 pages |
| Union rules and practices by General Policies Committee of Anthracite Operators, Walter Gordon Merritt, United States. Coal Commission - 1923 - 12 pages |
| Unionism and productivity in West Virginia coal mining by William March Boal - 1985 - 270 pages |
| Unions, parties and political development by Robert H. Bates - 1971 - 291 pages |
| Unit construction costs from the new smelter of the Arizona Copper Co., ltd by Edward Horton Jones - 1914 - 1 pages |
| Unit, direct support, and general support maintenance repair parts and special tools lists by United States. Dept. of the Army - 1992 |
| Unit, direct support, and general support maintenance repair parts and special tools lists by United States. Dept. of the Army - 1992 |
| Unit, direct support, and general support maintenance repair parts and special tools lists by United States. Dept. of the Army - 1992 |
| Unit, direct support, and general support maintenance repair parts and special tools lists by United States. Dept. of the Army - 1992 |
| United Mine Workers of America, et al., plaintiffs in error, vs. Coronado Coal Company, et al., defendants in error by United Mine Workers of America, Coronado Coal Company, United States. Court of Appeals (8th Circuit) - 1918 |
| United Nations Interregional Seminar on the Application of Advanced Mining Technology by United Nations Development Programme - 1975 - 335 pages |
| United Nations study tour on small-scale coal mines in China by United Nations - 1981 - 39 pages |
| United Nations Tin Conference, 1950 and 1953 - 1954 - 26 pages |
| United Nations Tin Conference, 1970 by United Nations Conference on Trade and Development - 1970 - 31 pages |
| United Reese River Silver Mining Company mines located in Austin, Lander County, Nevada by Benjamin Silliman - 1865 - 29 pages |
| United States Bureau of Mines standard for inspection and test of explosion-proof enclosures for mining equipment by Ernest J. Gleim - 1954 - 10 pages |
| United States coals in world markets by George Markon - 1968 - 87 pages |
| United States mining laws, and regulations thereunder by United States, United States. General Land Office - 1906 - 61 pages |
| United States mining statutes annotated by Joseph Wesley Thompson - 1915 |
| Unser Pütt by Bernd Lammers - 1991 - 143 pages |
| Untersuchungen über den Zusammenhang einiger Festigkeitsparameter und mineralogischer Kennziffern zur Erforschung der Gewinnbarkeit von Salzgesteinen by Harry Herzog, Horst Böhme - 1971 - 92 pages |
| Untold wealth by Kenneth J. Kutz - 1998 - 376 pages |
| Unwatering flooded coal mines in Washington by Simon Harry Ash, Thomas Murphy - 1933 - 18 pages |
| Up from South by Jack O'Neill - 1979 - 199 pages |
| Update of mineral land classification for Portland cement concrete-grade aggragate in the Claremont-Upland production-consumption region, Los Angeles and San Bernardino Counties, California by Russel V. Miller, Lawrence L. Busch - 2007 - 25 pages |
| Upwelling systems by C. P. Summerhayes, W. L. Prell - 1992 - 519 pages |
| Uranium 1999 by OECD Nuclear Energy Agency, International Atomic Energy Agency, Organisation for Economic Co-operation and Development - 2000 - 340 pages |
| Uranium mining on the Colorado plateau by United States. Bureau of Mines, Wilbert Leland Dare, R. A. Lindblom, John H. Soulé - 1955 - 60 pages |
| Uranium Prospecting Handbook - 1972 - 346 pages |
| Uranium Seekers by Craig Evan Royce - 2012 |
| Uranium, energy source of the future? by Ernest William Titterton (Sir.), F. P. Robotham - 1979 - 202 pages |
| Urbanization and its impact on the mineral aggregate industry in the Denver, Colo., area by Matthew J. Sheridan - 1967 - 53 pages |
| Use and misuse of flame safety lamps by W. H. Tomlinson - 1944 - 14 pages |
| Use of a micro-shock absorber for microdrilling by Michael B. Weissman - 1980 - 198 pages |
| Use of airplanes in mining and petroleum operations (abstract) by Hugh Maupin Wolflin, Charles Will Wright, United States. Bureau of Mines - 1934 - 28 pages |
| Use of an in-seam tester to determine effects of bit type on primary dust generation by Laxman S. Sundae, United States. Bureau of Mines - 1989 - 13 pages |
| Use of foam for dust control in minerals processing by Jon C. Volkwein, Andrew B. Cecala, Edward D. Thimons, United States. Bureau of Mines - 1983 - 11 pages |
| Use of geophone in locating compressed-air leaks by Byron O. Pickard, United States. Bureau of Mines - 1922 - 2 pages |
| Use of local minerals in the treatment of radioactive waste by International Atomic Energy Agency - 1972 - 113 pages |
| Use of reflector buttons for danger, warning, direction, and safety signs in mines by Franklin E. Griffith, H. J. Van der Veer - 1937 - 5 pages |
| Use of rock dust and water under the Federal Mine Safety Code in limiting coal-dust explosions by John Joseph Vincent Forbes, Clarence Watson Owings, United States. Bureau of Mines - 1947 - 12 pages |
| Use of rock dust in bituminous-coal mines during 1930, 1931, and 1932 by William Waugh Adams - 1934 - 9 pages |
| Use of salts to allay dust on shuttle-car roadways in coal mines by Edward Thomas, Irving Hartmann - 1945 - 15 pages |
| Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining by Louis A. Turnbull - 1947 - 37 pages |
| Use of sheathed explosive charges on longwalls by Richard J. Mainiero, Lon D. Santis - 1989 - 8 pages |
| Use of sonic techniques in exploring coal-mine roof strata by Charles E. Mongan, Thomas C. Miller - 1960 - 15 pages |
| Use of steam to control respirable coal dust at the point of generation by Anthony J. Strazisar, Richard Lincoln Stein, Thomas F. Tomb, United States. Bureau of Mines - 1972 - 8 pages |
| Use of stenches as a warning in mines by Sidney Hershberg Katz, Vernon Charles Allison, Willard Leo Egy - 1920 - 29 pages |
| Use of the miners' self-rescuer by Sidney Hershberg Katz, John Joseph Vincent Forbes - 1928 - 26 pages |
| Use of Vacutainers for collection of mine atmosphere samples by Robert W. Freedman, William G. Humphrey, Robert L. Craft - 1975 - 7 pages |
| Use of vertical boreholes for assisting ventilation of longwall gob areas by Curtis H. Elder, United States. Bureau of Mines, United States. Bureau of Mines. Methane Control Program - 1969 - 6 pages |
| Use of wetting agents for allaying coal dust in mines by Irving Hartmann, Harold Putnam Greenwald - 1940 - 12 pages |
| Useful minerals of the United States by Albert Williams (Jr.) - 1888 - 114 pages |
| User guide to engineering by Intermountain Forest and Range Experiment Station (Ogden, Utah), United States. Forest Service - 1979 - 58 pages |
| User's Manual for Premining Planning of Eastern Surface Coal Mining: Geology of Eastern coalfields - 1978 |
| User's manual for the U.S. Bureau of Mines in situ copper oxide mining cost model by Joseph M. Pugliese, Orin M. Peterson, United States. Bureau of Mines - 1991 - 7 pages |
| Using barriers to reduce dust exposure of longwall face workers by Robert A. Jankowski, Charles A. Babbitt, United States. Bureau of Mines - 1986 - 10 pages |
| Using inflatable stoppings during production in noncoal mines by Edward D. Thimons, Fred N. Kissell, United States. Bureau of Mines - 1976 - 13 pages |
| Using sulfur hexafluoride as a gaseous tracer to study ventilation systems in mines by Edward D. Thimons, Richard J. Bielicki, Fred N. Kissell, United States. Bureau of Mines - 1974 - 22 pages |
| Utah and Queensland coal by Brian Galligan - 1989 - 268 pages |
| Utah and Queensland coal by Brian Galligan - 1989 - 268 pages |
| Utah mine disaster and preventing future tragedies by United States. Congress. Senate. Committee on Appropriations. Subcommittee on Departments of Labor, Health and Human Services, Education, and Related Agencies - 2008 - 83 pages |
| Utah mineral industry activity review and Summary of oil and gas drilling and production, 1980 by Martha Ryder Smith, Karl W. Brown - 1981 - 31 pages |
| Utah's mineral wealth by Thomas M. Varley, Commercial Club--Chamber of Commerce (Salt Lake City, Utah) - 1921 - 31 pages |
| Utilization of municipal wastewater and sludge for land reclamation and biomass production by William E. Sopper, Eileen M. Seaker, Robert K. Bastian, United States. Environmental Protection Agency. Office of Water Program Operations. Municipal Construction Division - 1982 - 524 pages |
| Utilization of phosphate slimes by International Minerals and Chemical Corporation, United States. Environmental Protection Agency - 1971 - 128 pages |
| Utilizing mechanical linear transducers for the determination of a mining machine's position and heading by Christopher C. Jobes, United States. Bureau of Mines - 1990 - 16 pages |
| Utilizing the magnetic fraction of raw refuse with shredded automobile scrap in cupola gray iron by Victor R. Spironello, Warren M. Mahan, United States. Bureau of Mines - 1980 - 19 pages |