Browse TRAIL Inventories

Concentration of copper-cobalt ores from the Blackbird District, Lemhi County, Idaho

Bauxite deposits in Tippah and Benton Counties, Miss.

Laboratory concentration of complex sulfide-oxide ore from Shenandoah-Dives mine, Silverton, Colo.

Ellington manganese deposit, Reynolds County, Mo.

New dry concentrating equipment

Performance of a diesel mine locomotive

Measurement of coking pressure in a small laboratory oven

Investigation of Arkansas bauxite

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigation of Arkansas bauxite.

Investigations of explosion hazards of perchloric acid and mixtures of perchloric acid and organic materials

Lead, zinc, silver, copper, bismuth deposits, South Hecla mine, Alta, Salt Lake County, Utah

R©Øesum©Øe of Bureau of Mines research and development work on western coals, 1942-47

Flotation of beryllium ores

Mirror Harbor nickel deposits :Chichagof Island, Alaska

Electrowinning of cobalt from cobaltite concentrates

Antimony deposits in Alaska

Some studies on emergency mine communications

Survey of commercial aviation-gasoline characteristics July 1948 production

Survey of commercial aviation-gasoline characteristics :January 1948 production

Investigation of the Argall (Baggaley) zinc-lead mine, Iowa County, Wis.

Support of ground, iron-ore mines, Lake Superior district

Control of roof and prevention of accidents from falls of rock and coal :suggested roof supports for use at faces in conjunction with mechanical loading

Shaft sinking by diamond drilling, Bellefonte mine, National Gypsum Co., Centre County, Pa.

Emergency escapeways from coal mines

Laboratory study of the hot-water process for separating hydrocarbons from surface deposits of bituminous sandstones near Edna, Calif.

Magnetometric survey of the Mahopac magnetite mine, Putnam County, N.Y.

Investigation of the Sauk Mountain limestone deposits, Skagit County, Wash.

Investigation of the Minah lead-silver mine, Jefferson County, Mont.

Electrolytic manganese in open-hearth and Bessemer steel tests at Jones & Laughlin Steel Corp., Pittsburgh, Pa.

Investigation of Arkansas bauxite.

Natural-gasoline and cycle plants in the United States, January 1, 1948

Ignition qualities of hydrocarbons in the diesel-fuel boiling range

Acid mine water in the anthracite region of Pennsylvania

Cranberry magnetite depositsAvery County, N.C., and Carter County, Tenn.

Methods and costs of sinking a 2-1/2-compartment shaft at the Hope Mine, Clark Fork, Idaho

Diamond drilling blast holes, Bell Mine, the Warner Co., Centre County, Pa.

Mine man-trip and ambulance cars


Published Year

Subject

Author

‹‹ previous 1 2 ... 63 64 65 66 67 68 69 ... 201 202 next ››