I 28.23:6930
|
Batch and continuous-circuit beneficiation of western phosphate ores / |
1 |
I 28.23:6931
|
Equivalences and lower ignition limits of coal dust and methane mixtures / |
1 |
I 28.23:6932
|
Chattanooga shale investigations / |
1 |
I 28.23:6933
|
Lime soda sinter process : correlation of reaction products with extractability of alumina from anorthosite / |
1 |
I 28.23:6934
|
An evaluation of the western phosphate industry and its resources (in five parts). |
1 |
I 28.23:6935
|
An evaluation of the western phosphate industry and its resources (in five parts). |
1 |
I 28.23:6936
|
Isotopic abundance of neon, argon, and nitrogen in natural gases : relationship to helium genesis / |
1 |
I 28.23:6936-6944,6946-6950
|
Extraction of germanium and gallium from coal fly ash and phosphorus furnace flue dust / |
1 |
I 28.23:6937
|
A mine production-scheduling model and critical path analysis of mine development work for long-range mine planning / |
1 |
I 28.23:6938
|
Effects of ultrasonics on electrodeposition of copper alloys from cyanide electrolytes / |
1 |
I 28.23:6939
|
Adaptation of the Pedersen process to the ferruginous bauxites of the Pacific Northwest / |
1 |
I 28.23:6940
|
Extraction of germanium and gallium from coal fly ash and phosphorus furnace flue dust / |
1 |
I 28.23:6941
|
Kinetics of gas synthesis using recycle systems / |
1 |
I 28.23:6942
|
Underground combustion oil-recovery experiments in the Venango Second Sand, Reno Pool, Venango County, Pa. / |
1 |
I 28.23:6943
|
Predicted oil recovery by waterflood and gas drive, Bradford Third and Sartwell Sands, Sartwell Oilfield, McKean County, Pa. / |
1 |
I 28.23:6944
|
Metallurgical testing of Hawaiian ferruginous bauxites : concluding report / |
1 |
I 28.23:6946
|
An economic and technical evaluation of magnesium production methods (in three parts). |
1 |
I 28.23:6947
|
New gap-sensitivity methods for explosives / |
1 |
I 28.23:6948
|
Coking properties of selected Utah coals and blends / |
1 |
I 28.23:6949
|
Concerning physical parameters for use in an absolute gas viscosimeter / |
1 |