Publisher: Mines Bureau - Blacklight Search Results

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15871. Quarries and quarrying. Time study analyses, progress report: 2, Quarry haulage; by J. R. Thoenen and E. J. Lintner.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: Sept. 1939
SuDoc number:: I 28.23:3467

15872. Respirators. Testing and design of respiratory protective devices; by H. H. Schrenk.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: Sept. 1939
SuDoc number:: I 28.27:7086

15873. Safety of life. Investigation of electrical equipment, safety lamps, and gas detectors for safety; by L. C. Ilsley.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: Sept. 1939
SuDoc number:: I 28.27:7087

15874. Coke. Monthly coke report, M. C. R. 137 [July 1939.]

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: Aug. 24, 1939
SuDoc number:: I 28.30:137

15875. Mine accidents. Coal-mine fatalities in July 1939; C. M. F. 97.

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: [Aug. 23, 1939.]
SuDoc number:: I 28.10/2:97

15876. Gypsum. Quarterly gypsum report, Q. G. R. 38 [2d quarter of 1939].

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: Aug. 8, 1939
SuDoc number:: I 28.32:38

15877. Coal. Preliminary estimates of production of Pennsylvania anthracite and beehive coke, July 1939.

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: Aug. 5, 1939
SuDoc number:: I 28.50:939/7

15878. Cement. Monthly cement statement, C. P. 217; [June 1939].

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: Aug. 1, 1939
SuDoc number:: I 28.29:217

15879. Coal. Friability, slacking characteristics, and low-temperature carbonization assays of subbituminous coals of Denver (Colo.) region; by V. F. Parry and John B. Goodman.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: Aug. 1939
SuDoc number:: I 28.23:3457

15880. Gold. Saving gold by means of corduroy; by M. W. von Bernewitz.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: Aug. 1939
SuDoc number:: I 28.27:7085

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