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101“...Report of investigations (United States. Bureau of Mines) ;...”
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102by Harrington, D. (Daniel), 1878-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1922
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103by Dow, D. B. (Donald B.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1922
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104“...Report of investigations (United States. Bureau of Mines) ;...”
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105by Reeves, John R.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1923
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106“...Report of investigations (United States. Bureau of Mines) ;...”
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107by Davis, F. W.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1923
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108by Blade, O. C. (Oscar Carl), 1902-1985“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1948
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109by Ash, S. H. (Simon Harry), 1889-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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110by Romslo, T. M.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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111“...Report of investigations (United States. Bureau of Mines) ;...”
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112“...Report of investigations (United States. Bureau of Mines) ;...”
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113“...Report of investigations (United States. Bureau of Mines) ;...”
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114by Rutledge, F. A.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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115“...Report of investigations (United States. Bureau of Mines) ;...”
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116by Lorain, S. H.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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117by Burnett, E. S.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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118by Dowd, James J.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1950
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119“...Report of investigations (United States. Bureau of Mines) ;...”
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120by Wiebelt, Frank J.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1951
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