TRAIL - Technical Report Archive and Image Library

Expansion of coal in the sole-heated oven :quantitative effects of dry bulk density, moisture content, and particle size

Mining investigations of manganese deposits in the Maggie Canyon area, Artillery Mountains region, Mohave County, Ariz.

Relation between petrographic composition and free-swelling properties of Chilton coal

Synthetic asbestos investigations.

Development of a transistor-type telephone system for mine rescue operations

Consumable-electrode arc melting of titanium and its alloys

Electrowinning chromium metal

Survey of water-flooding projects in Allen, Bourbon, Crawford, Labette, and Neosho counties, Kans.

Anchorage testing of mine-roof bolts.

Preparation characteristics of coal from Logan County, W. Va.

Oil yields of sections of Green River oil shale in Colorado, 1952-54

Laboratory cleaning trials on a Pennsylvania anthracite in a baum-type jig and a dense-medium pilot plant

Preparation of high-purity electrolytic chromium

Laboratory concentration of chromite ores, Red Mountain district, Kenai Peninsula, Alaska

Pikes Peak iron deposits Maricopa County, Ariz.

Carbonizing properties of Westmoreland County, Pa., coals

Determination of the average effective valence state of titanium in sodium chloride

Effects of hydraulic fracturing upon oil recovery from the Strawn and Cisco Formations in North Texas

Metal-porphyrin complexes in an asphaltic midcontinent crude oil

Turbidimetric determination of naphthalene in gas

Field-scale experiments in underground gasification of coal at Gorgas, Ala. :use of electrolinking-carbonization as a means of site preparation

Laboratory investigation of bauxite ore from the Quapaw Deposit, Saline County, Ark.

Rock breakage by explosives

Low-temperature chlorination of columbium-bearing titanium minerals

Roof-span studies in limestone

Manganese dioxide prepared from manganous hydroxide

Electric smelting of cuban serpentine and laterite nickel ores

Progress report on oil-well-shooting research :1954 tests

Investigation of fluorspar deposit, Kaiser Mine, Mineral County, Nev.

Design and testing of Bureau of Mines coal planer

Clay minerals and permeabilities of Appalachian oil sands

Flotation of iron sulfides from zinc tailings of Southwestern Wisconsin lead-zinc district

The use of augers in surface mining of bituminous coal

Analyses of brines from oil-productive formations in Oklahoma

Physical properties and behavior of the Newcastle oil-reservoir sand, Weston County, Wyo.

Analyses of tipple and delivered samples of coal :(collected during fiscal year 1956)

A correlation of pressure buildup in oil wells with completion practice for a deep California field

Measurement and nature of the apparent viscosity of water suspensions of some common minerals

Washability characteristics of coal from San Juan County, N. Mex.

Synthetic mica investigations.

Progress report on pegmatite investigations in South Dakota for fiscal years 1954-56

Caustic leaching of manganese flotation concentrate from Artillery Peak, Ariz.

Leach-precipitation-flotation tests of a California copper-gold ore

The Miners Queen copper deposit, Skamania County, Wash.

X-ray emission spectrographic analysis of bastnaesite rare earths

Storage and cataloging of drill core by the Bureau of Mines

Investigation of Subbituminous-Coal Beds Near Houston, Westward Extremity of Matanuska Coalfield, Alaska

Effectiveness of Bleeder Entries in Ventilating Pillared Areas of Bituminous-Coal Mines

Investigation of Tuffs Near Lysite, Wyoming for Selenium

Copper Mines and Prospects Adjacent to Landlocked Bay, Prince William Sound, Alaska

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