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Start Over Author Commerce Department Sudoc Stem C 22.3

21. Petroleum refinery statistics, 1930; by G. R. Hopkins.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1932
SuDoc number:: C 22.3:367

22. Petroleum. Mining petroleum by underground methods, study of methods used in France and Germany and possible application to depleted oil fields under American conditions; by George S. Rice.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1932
SuDoc number:: C 22.3:351

23. Quarry accidents in United States during calendar year 1930; by William W. Adams.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1932
SuDoc number:: C 22.3:366

24. Shaft-sinking practices and costs; by E. D. Gardner and J. Fred Johnson.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1932
SuDoc number:: C 22.3:357

25. Soot. Removal of soot from furnaces and flues by use of salts or compounds; by P. Nicholls and C. W. Staples.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1932
SuDoc number:: C 22.3:360

26. Coal mines and mining. Concrete stoppings in coal mines for resisting explosions, detailed tests of typical stoppings and strength of coal as a buttress; by George S. Rice, H. P. Greenwald, H. C. Howarth, and S. Avins.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1931
SuDoc number:: C 22.3:345

27. Coal mines and mining. Permissible coal-handling equipment, approved Jan. 1926-Dec. 1930; by L. C. Ilsley, E. J. Gleim, and H. B. Brunot.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1931
SuDoc number:: C 22.3:343

28. Coal. Jigging, classification, tabling, and flotation tests of coals presenting difficult washing problems, with particular reference to coals from Pierce County, Wash.; by B. M. Bird and S. M. Marshall.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1931
SuDoc number:: C 22.3:337

29. Coal. Methods and apparatus used in determining gas, coke, and by-product making properties of American coals, with Results on a Taggart-bed coal from Roda, Wise County, Va.; by A. C. Fieldner, J. D. Davis, R. Thiessen, E. B. Kester, and W. A. Selvig.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1931
SuDoc number:: C 22.3:344

30. Explosives accidents in anthracite mines of Pennsylvania, 1923-27; by S P. Howell.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1931
SuDoc number:: C 22.3:326

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