|
I 28.3:363
|
Gold mining and milling in the United States and Canada: current practices and costs |
1 |
|
I 28.3:368
|
Static electricity in nature and industry |
1 |
|
I 28.3:369
|
Explosion tests of Pittsburgh coal dust in the experimental mine, 1925 to 1932, inclusive |
1 |
|
I 28.3:370
|
Iron oxide mineral pigments of the United States |
1 |
|
I 28.3:371
|
Contributions to the data on theoretical metallurgy : II. High-temperature specific-heat equations for inorganic substances |
1 |
|
I 28.3:372
|
Accounting system and office-management procedure for medium-size metal mines |
1 |
|
I 28.3:381
|
Lead and zinc mining and milling in the United States: current practices and costs |
1 |
|
I 28.3:385
|
Engineering factors in the ventilation of metal mines |
1 |
|
I 28.3:389
|
Laboratory studies of the inflammability of coal dusts : effects of fineness of coal and inert dusts on the inflammability of coal dusts |
1 |
|
I 28.3:390
|
Stopping methods and costs |
1 |
|
I 28.3:391
|
Microscopic structure and concerntratability of the important iron ores of the United States |
1 |
|
I 28.3:392
|
Concentration of copper ores in North America |
1 |
|
I 28.3:393
|
Contributions to the data on theoretical metallurgy : V. Heats of fusion of inorganic substances |
1 |
|
I 28.3:395
|
Occurrence, properties, and preparation of limestone and chalk for whiting |
1 |
|
I 28.3:400
|
Review of literature on effects of breathing dusts with special reference to silicosis |
1 |
|
I 28.3:402
|
Crushing and grinding |
1 |
|
I 28.3:403
|
Asbestos |
1 |
|
I 28.3:405
|
Copper mining in North America |
1 |
|
I 28.3:411
|
Carbonizing properties of West Virginia coals and blends of coals from the Alma, Cedar Grove, Dorothy Powellton A, Eagle, Pocahontas and Beckley beds |
1 |
|
I 28.3:413
|
Mineral industries survey of the United States - California : Calaveras County, Mother Lode District (South) ; mines of the Southern Mother Lode Region, part 1 - Calaveras County |
1 |