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101“...U.S. Dept. of the Interior, Bureau of Mines,...”
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102“...U.S. Dept. of the Interior, Bureau of Mines,...”
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103Published 1976“...U.S. Dept. of the Interior, Bureau of Mines,...”
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104by Bowser, Merle L.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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105“...U.S. Dept. of the Interior, Bureau of Mines,...”
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106by Popp, John T.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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107“...U.S. Dept. of the Interior, Bureau of Mines,...”
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108“...U.S. Dept. of the Interior, Bureau of Mines,...”
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109by Schnakenberg, George H.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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110by Matta, Joseph E.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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111by Dietzman, William D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1975
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112by Mutschler, Paul H.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1975
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113by Rosenkranz, Rodney D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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114“...U.S. Dept. of the Interior, Bureau of Mines,...”
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115“...U.S. Dept. of the Interior, Bureau of Mines,...”
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116“...U.S. Dept. of the Interior, Bureau of Mines,...”
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117Published 1976“...U.S. Dept. of the Interior, Bureau of Mines,...”
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118by Thompson, Philip, 1950-“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1979
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119Published 1980“...U.S. Dept. of the Interior, Bureau of Mines,...”
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120by Touseull, Jack“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1980
Government Document Book