Browse TRAIL Inventories

Official changes in the active list of permissible explosives and blasting devices approved prior to January 31, 1933

A study of falls of roof and coal in Northern Colorado

Washability studies of Blue Creek Bed at Connellsville Mine, Connellsville, Ala.

Review of fatalities in the California petroleum industry during the calendar year 1932

Explosive shattering of minerals

Washability studies of Mary Lee Bed at Powhatan Mine, Powhatan, Ala.

Washability studies of coal from the Mary Lee Bed at the Bankhead Mine, Bankhead, Ala.

A study of falls of roof and coal, Rock Springs Coal District, Sweetwater County, Wyo.

A study of subsurface pressures and temperatures in flowing wells in the east Texas field and the application of these data to reservoir and vertical-flow problems

A study of "bottom-hole" samples of East Texas crude oil

Investigations during 1932 of combustibles in manholes in Boston, Mass.

Consumption trends in the roofing-slate industry

The cleaning of fine coal from the Mary Lee Bed at the Porter Mine

Identification of cerussite and anglesite, and flotation with galena

Comparison of methods for determining friability of coal

Safety at petroleum cracking plants

Corrosion of steel by gases containing traces of hydrogren sulphide :effect of pressure and moisture conditions

Silicosis and tuberculosis among miners of the tri-state district of Oklahoma, Kansas and Missouri.

Theory of the torsion balance :with a preliminary study of a modification of the instrument to decrease time of gravity measurements

A study of the properties of Texas-New Mexico polyhalite pertaining to the extraction of potash.

Methods and costs of quarrying, crushing, and grinding limestone at the plant of Southwestern Portland Cement Co., El Paso, Tex.

Mining, treatment methods and costs at the plant of the Colsolidated Rock Products Co., Durbin, Calif.

Method and cost of quarrying limestone at the plant of the Calaveras Cement Co., San Andreas, Calif.

Mining laws of Siam

Mining laws of Cyprus

Growth and development of nonmetallic mineral industries

Cut-and-fill stoping

Square-set system of mining

Some notes on methods and costs of equipping and developing prospects

Saving life by barricading in mines and tunnels at times of disaster

Mining laws of Chosen (or Korea)

Diamond drilling at the United Verde mine

Portable electric lamps for animal haulage in Alabama

Flotation processes for cleaning fine coal

Mining laws of Surinam (Dutch Guiana)

Timber withdrawing and devices used for this purpose in some coal mines

Factors and conditions that aid in alinement of pillar extraction lines in coal mining

Recommendations of the United States Bureau of Mines on certain questions of safety as of February 3, 1933

About helium

Safety practices and achievements at the Columbia Mine of the Columbia Steel Co. (subsidiary of the United States Steel Corporation)

Milling methods and costs at the concentrator of the Premier Gold Mining Co., Ltd., Premier, B.C., Canada

Manganese :general Information

Development of sand and gravel deposits

Production of explosives in the United States :during the calendar year 1932

Accidents at metallurgical works in the United States :during the calendar year 1931

Compressibility and bearing strength of coal in place :tests of lateral compression of Pittsburgh coal bed

Limits of inflammability of natural gases containing high percentages of carbon dioxide and nitrogen

Active list of permissible explosives and blasting devices approved prior to June 30, 1933.

The National safety competition of 1932

Places of occurrence of injury from falls of roof


Published Year

Subject

Author

‹‹ previous 1 2 ... 26 27 28 29 30 31 32 ... 201 202 next ››