I 28.27:6528
|
Geophysical abstracts : no. 27 / |
1 |
I 28.27:6529
|
Accident experience and cost of accidents in Washington coal mines / |
1 |
I 28.27:6530
|
Accident experience of the coal mines of Utah for the period 1918 to 1929 / |
1 |
I 28.27:6531
|
Mining and crushing methods and costs at the Tiffin Limestone quarry of the Thurber Earthen Products Co., Fort Worth, Tex. / |
1 |
I 28.27:6532
|
Methods and costs of concentrating tungsten ores at Atolia, San Bernardino County, Calif. / |
1 |
I 28.27:6533
|
Feldspar gems : (Amazon stone, Moonstone, Sunstone) / |
1 |
I 28.27:6534
|
Mining laws of Palestine / |
1 |
I 28.27:6535
|
Mining laws of Austria / |
1 |
I 28.27:6536
|
Mining laws of Ethiopia (Abyssinia) / |
1 |
I 28.27:6537
|
Mining, treatment methods, and cost at the East Texas Gravel Co.'s deposits near Bois D'Arc, Tex. / |
1 |
I 28.27:6538
|
List of permissible mine equipment / |
1 |
I 28.27:6539
|
Tourmaline / |
1 |
I 28.27:6540
|
Mine explosions and fires in the United States during the fiscal year ending June 30, 1931 / |
1 |
I 28.27:6541
|
Milling methods and costs of Coniaurum Mines, Ltd., Schumacher, Ontario / |
1 |
I 28.27:6542
|
Mining laws of Latvia / |
1 |
I 28.27:6543
|
Mining practices, methods, and costs at Elkoro mines, Jarbidge, Nev. / |
1 |
I 28.27:6544
|
Milling methods and costs of the Minas de Matahambre, S.A., concentrator / |
1 |
I 28.27:6545
|
Bureau of mines coal-sampling truck / |
1 |
I 28.27:6546
|
Safety at the Old Dominion copper mine, Globe, Ariz. / |
1 |
I 28.27:6547
|
Geophysical abstracts : no. 28 / |
1 |