Call Number (LC) Title Results
C 22.11:6416 Mining methods at Block P mine of St. Joseph Lead Co., Hughesville, Mont
Mining methods at Block P mine of St. Joseph Lead Co., Hughesville, Mont. 		2
C22.11-6416 Mining methods at Block P mine of St. Joseph Lead Co., Hughesville, Mont. 1
C 22.11:6417 Some safety records in Illinois coal mines
Some safety records in Illinois coal mines. 		2
C22.11-6417 Some safety records in Illinois coal mines. 1
C 22.11:6418 Men and mines
Men and mines. 		2
C22.11-6418 Men and mines. 1
C 22.11:6419 Mine explosion, mine fires, and miscellaneous accidents in U.S. during fiscal year ended ...
Mine explosion, mine fires, and miscellaneous accidents in U.S. during fiscal year ended June 30, 1930. 		2
C22.11-6419 Mine explosion, mine fires, and miscellaneous accidents in U.S. during fiscal year ended June 30, 1930. 1
C 22.11:6420 Mining, treatment methods and costs, Menantico Sand and Gravel Co., Millville, N.J
Mining, treatment methods and costs, Menantico Sand and Gravel Co., Millville, N.J. 		2
C22.11-6420 Mining, treatment methods and costs, Menantico Sand and Gravel Co., Millville, N.J. 1
C 22.11:6421 Method and cost of dredging sand and gravel by Ohio River Sand Co., Louisville, Ky
Method and cost of dredging sand and gravel by Ohio River Sand Co., Louisville, Ky. 		2
C22.11-6421 Method and cost of dredging sand and gravel by Ohio River Sand Co., Louisville, Ky. 1
C 22.11:6422 Geophysical abstracts, No. 20. 1
C22.11-6422 Geophysical abstracts, No. 20. 1
C 22.11:6423 Compendium on limes in hydrometallurgy and flotation
Compendium on limes in hydrometallurgy and flotation. 		2
C22.11-6423 Compendium on limes in hydrometallurgy and flotation. 1
C 22.11:6424 Explosions in Tennessee coal mines
Explosions in Tennessee coal mines. 		2
C22.11-6424 Explosions in Tennessee coal mines. 1
C 22.11:6425 Factors involved in heap leaching of copper ores
Factors involved in heap leaching of copper ores. 		2
C22.11-6425 Factors involved in heap leaching of copper ores. 1