|
I 28.27:7357
|
Extraction and uses of beryllium in Germany |
1 |
|
I 28.27:7361
|
Extraction and uses of lithium in Germany |
1 |
|
I 28.27:7363
|
Boron in iron and steel |
1 |
|
I 28.27:7364
|
Perlite, source of synthetic pumice |
1 |
|
I 28.27:7365
|
Safety record of mine no. 7, Island Creek Coal Co., Holden, Logan County, W. Va |
1 |
|
I 28.27:7369
|
Report on investigations by fuels and lubricants teams at the Wintershall A.G., Lützkendorf, near Mücheln, Germany |
1 |
|
I 28.27:7371
|
Tripoli |
1 |
|
I 28.27:7372
|
Electric blasting switches, underground mines, Lake Superior district |
1 |
|
I 28.27:7373
|
Reconversion problems in lead metallurgy |
1 |
|
I 28.27:7374
|
Some data about fire-fighting facilities at metal mines in the United States |
1 |
|
I 28.27:7377
|
Design and operation of the coal planer, Ruhr District, Germany |
1 |
|
I 28.27:7378
|
Operating diesel locomotives underground in European mines |
1 |
|
I 28.27:7379
|
Alaska's minerals as a basis for industry |
1 |
|
I 28.27:7380
|
Safe storage, handling, and use of commercial explosives in metal mines, nonmetallic mines, and quarries |
1 |
|
I 28.27:7381
|
Metallic titanium and its alloys |
1 |
|
I 28.27:7384
|
Geophysical abstracts, no. 1-127 |
1 |
|
I 28.27:7386
|
Geophysical abstracts, no. 1-127 |
1 |
|
I 28.27:7387
|
Some safety practices for metal mines, nonmetal mines (other than coal), mills, metallurgical plants, and quarries |
1 |
|
I 28.27:7388
|
Home insulation with mineral products : conserves fuel, reduces cost, increases comfort |
1 |
|
I 28.27:7389
|
Coal preparation practice in western Germany |
1 |