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United States Bureau of Mines 209 Geological Survey (U.S.) 56 Canada Mines Branch 41 United States Mine Safety and Health Administration 35 New Mexico Bureau of Mines and Mineral Resources 30 Illinois State Geological Survey 27 Ontario Department of Mines 25 Canada Mineral Resources Division 20 Colorado Bureau of Mines 19 United States Energy Information Administration. Office of Oil and Gas 19 Canada Mineral Resources Branch 17 Canada Minerals 17 American Institute of Mining, Metallurgical, and Petroleum Engineers 16 American Petroleum Institute 16 Idaho Bureau of Mines and Geology 16 Canada Dominion Bureau of Statistics 15 Ontario Department of Mines and Northern Affairs 15 American Association of Petroleum Geologists 14 California Division of Mines and Geology 14 Society of Petroleum Engineers of AIME 14 United States Department of the Interior 14 United States Energy Information Administration 14 British Columbia Ministry of Energy, Mines and Petroleum Resources 13 British Columbia Ministry of Mines and Petroleum Resources 13 Colombia Ministerio de Minas y Energía 13 Colorado School of Mines 13 United States Office of Coal, Nuclear, Electric, and Alternate Fuels 13 Georgia Department of Mines, Mining, and Geology 12 Interstate Oil and Gas Compact Commission 12 Québec (Province) Bureau of Mines 12 Ver todos ...

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Periodicals 1,337 Statistics 320 Directories 128 Congresses 66 Conference papers and proceedings 46 Périodiques 24 Bibliography 20 Serial publications 15 Indexes 14 Periodical 14 periodicals 14 Handbooks, manuals, etc 13 Annual reports 12 Bibliographies 12 Databases 11 Electronic journals 9 Abstracts 8 Périodiques 8 Yearbooks 8 Répertoires 7 Computer network resources 5 Handbooks and manuals 5 History 5 Statistiques 5 Technical reports 5 Yearbook 5 Maps 4 statistics 4 Catalogs 3 Tables 3 Ver todos ...

1918-1945 1 1945- 1 Carboniferous 1 Since 1945 1

United States 341 Canada 133 Australia 83 Ontario 67 India 57 California 50 South Africa 46 Great Britain 42 Illinois 42 New Mexico 42 Pennsylvania 41 Colorado 39 British Columbia 34 Indonesia 33 Alaska 31 Zimbabwe 30 Brazil 28 Manitoba 26 China 24 Michigan 24 Idaho 23 Washington (State) 23 Arizona 22 Asia 22 Georgia 22 Peru 22 New South Wales 20 Nova Scotia 20 Philippines 20 Colombia 18 Ver todos ...