I 28.3:534
|
Surface-water seepage into anthracite mines in the Wyoming Basin, northern field : anthracite region of Pennsylvania / |
1 |
I 28.3:535
|
Coal-mine bumps : some aspects of occurrence, cause and control / |
1 |
I 28.3:536
|
Carbonizing properties of American coals : index of coals tested by the Bureau of Mines / |
1 |
I 28.3:537
|
Air pollution: a bibliography / |
1 |
I 28.3:538
|
Barrier pillars in Wyoming Basin, northern field : anthracite region of Pennsylvania / |
1 |
I 28.3:539
|
Surface-water seepage into anthracite mines in the southern field : anthracite region of Pennsylvania / |
1 |
I 28.3:540
|
Injury experience in coal mining, 1950 : analysis of mine safety factors, related employment, and production data / |
1 |
I 28.3:541
|
Explosion-proof design and wiring for permissible mining equipment / |
1 |
I 28.3:542
|
Contributions to the data on theoretical metallurgy. |
1 |
I 28.3:543
|
Permissible mine equipment approved to January 1, 1953 : with appended list of available flame-lamp fuels and manufacturers of flame-resistant trailing cables / |
1 |
I 28.3:544
|
Bibliography of the Fischer-Tropsch synthesis and related processes / |
1 |
I 28.3:545
|
Flood prevention in anthracite mines, Northern field : anthracite region of Pennsylvania, project no. 1 (Lackawanna) / |
1 |
I 28.3:546
|
Flood prevention in anthracite mines, western middle and southern fields : anthracite region of Pennsylvania, project no. 2 / |
1 |
I 28.3:547
|
Flood prevention in anthracite mines, northern field : anthracite region of Pennsylvania, project no. 3 (Wyoming) / |
1 |
I 28.3:548
|
Injury experience in the coking industry, 1952 : detailed analysis of safety factors and related employment data / |
1 |
I 28.3:549
|
Injury experience in coal mining, 1951 : analysis of mine safety factors, related employment, and production data / |
1 |
I 28.3:550
|
Petrography of American coals / |
1 |
I 28.3:551
|
A graphic method of determining the explosibility characteristics of mine-fire atmospheres / |
1 |
I 28.3:552
|
Asbestos industry. |
1 |
I 28.3:553
|
Injury experience in the coking industry, 1953 : detailed analysis of safety factors and related employment data / |
1 |