|
I 28.27:7191
|
Prevention of premature shots during springing of deep drill holes in quarries and open-pit workings |
1 |
|
I 28.27:7192
|
Occurrences and uses of dolomite in the United States |
1 |
|
I 28.27:7194
|
Mining and milling methods and costs at the Yellow Pine Mine, Stibnite, Idaho |
1 |
|
I 28.27:7195
|
Lightweight aggregates for concrete |
1 |
|
I 28.27:7197
|
Chalk and whiting |
1 |
|
I 28.27:7200
|
Strontium minerals |
1 |
|
I 28.27:7202
|
Marketing silica (quartz, tripoli, diatomite, etc.) |
1 |
|
I 28.27:7203
|
Development of the sand and gravel industry |
1 |
|
I 28.27:7205
|
The legendary "White Metal" and its "ore" |
1 |
|
I 28.27:7206
|
New process for controlling mercury vapor |
1 |
|
I 28.27:7216
|
Magnesium-bearing minerals in the Boulder Dam area for the production of magnesium metal |
1 |
|
I 28.27:7217
|
Marketing mineral pigments |
1 |
|
I 28.27:7218
|
Proposed methods and estimated costs of mining oil shale at Rulison, Colo |
1 |
|
I 28.27:7219
|
Marketing strategic mica |
1 |
|
I 28.27:7222
|
Use of diesel engines in tunnels |
1 |
|
I 28.27:7224
|
Directions for laboratory mineral sizing |
1 |
|
I 28.27:7225
|
Marketing lithium minerals |
1 |
|
I 28.27:7226
|
High-grade dolomite deposits in the United States |
1 |
|
I 28.27:7227
|
Dolomite-base refractories |
1 |
|
I 28.27:7229
|
How to save fuel at home |
1 |