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16041. Coal. Carbonizing properties and petrographic composition of Pittsburgh-bed coal from Bureau of Mines Experimental Mine, Bruceton, Allegheny County, Pa.; by A. C. Fieldner, J. D. Davis, R. E. Brewer, W. A. Selvig, D. A. Reynolds, and G. C. Sprunk.

Corporate/Agency Authors:: Mines Bureau and Government Printing Office
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:594

16042. Coal. Carbonizing properties and petrographic composition of Pond Creek bed coal from Majestic mine, Majestic, Pike County, Ky.; by A. C. Fieldner, J. D. Davis, W. A. Selvig, D. A. Reynolds, G. C. Sprunk, and H. S. Auvil

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:596

16043. Coal. Carbonizing properties and petrographic composition of Sewell bed coal from Wyoming mine, Wyoming County, W. Va., and effect of blending this coal with Alma bed coal; by A. C. Fieldner, J. D. Davis, W. A. Selvig, R. E. Brewer, C. R. Holmes, D. A. Reynolds, and G. C. Sprunk.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:601

16044. Coal. Carbonizing properties and petrographic composition of high splint bed coal from Closplint mine, Closplint, Harlan County, Ky.; by A. C. Fieldner, J. D. Davis, D. A. Reynolds, W. A. Selvig, G. C. Sprunk, and H. S. Auvil.

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:599

16045. Coal. Carbonizing properties and petrographic composition of washed and unwashed Lower and Upper Kittanning bed coals from mines 72 and 73, Johnstown, Cambria County, Pa.; by A. C. Fieldner, J. D. Davis, R. Thiessen, W. A. Selvig, D. A. Reynolds, and C. R. Holmes.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:595

16046. Coal. Coal mining in Europe, study of practices in different coal formations and under various economic and regulatory conditions compared with those in United States [with bibliographies]; by George S. Rice and Irving Hartmann.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.3:414

16047. Coal. Experiments on strength of small pillars of coal in Pittsburgh bed; by H. P. Greenwald, H. C. Howarth, and Irving Hartmann.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1939
SuDoc number:: I 28.7:605

16048. Coal. International coal trade, monthly inventory of information from U. S. Government foreign service offices and other sources that may not Otherwise be made available promptly, v. 8, no. 12; Dec. 30, 1939.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1939.]
SuDoc number:: I 28.42:8/12

16049. Coal. International coal trade, monthly inventory of information from U. S. Government foreign service offices and other sources that may not otherwise be made available promptly, v. 8, no. 10; Oct. 31, 1939.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1939.]
SuDoc number:: I 28.42:8/10

16050. Coal. International coal trade, monthly inventory of information from U. S. Government foreign service offices and other sources that may not otherwise be made available promptly, v. 8, no. 1; Jan. 31, 1939.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1939.]
SuDoc number:: I 28.42:8/1

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