Browse TRAIL Inventories

Control of sulfur and ash in mine-run metallurgical coal :report [No.] 1

A study of summer air conditioning with water sprays to prevent roof falls at the Beech Bottom Coal Mine, West Virginia

Reserves, Bed Characteristics, and Coking Properties of the Willow Creek Coal Bed, Kemmerer District, Lincoln County, Wyoming

Exploration, Composition, and Washing, Burning and Gas-Producer Tests of a Coal Occurring Near Coaldale, Esmeralda County, Nevada

Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining

Investigation of Coal Deposits in the Coal Creek District, Gunnison County, Colorado: Progress Report 1

Exploration, Reserves, Bed Characteristics and Strip-Mining Possibilities of a Lignite Deposit Near Toledo, Lewis County, Washington

Investigation of Meta-Anthracite in Newport and Providence Counties, Rhode Island: Petrography, Chemical Characteristics, and Geology of Deposits: I. Investigation of the Field and the Physical and Chemical Characteristics of the Deposits; II. Preliminary Geologic Study of the Portsmouth and Cranston Areas, Rhode Island; III. General Conclusions

Minable Reserves, Petrography, Chemical Characteristics, and Washability Tests of Coal Occurring in the Coos Bay Coal Field, Coos County, Oregon

Mechanical mining in some bituminous-coal mines.

Slope sinking through water-bearing strata at mine 3, Bell & Zoller Coal & Mining Co., Williamson County, Ill.

Investigation of Coal Deposits in the Fairview and Coal City Basins of Coosa Field, St. Clair County, Alabama: Reserves, Petrography, and Chemical Properties of Coals; Washability Characteristics of Coal from Fairview Bew; and Geology of Area

Reserves, Petrographic and Chemical Characteristics, and Carbonizing, Properties of Coal Occurring South of Dry Fork of Minnesota Creek, Gunnison County, Near Paonia, Colorado, and the Geology of the Area

Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area

Coal-mining methods and practices and electric power requirements in the Bull Mountain coal field, Montana

Estimate of Known Recoverable Reserves of Coking Coal in Indiana County, Pennsylvania

Estimate of Known Recoverable Reserves of Coking Coal in Cambria County, Pennsylvania

Miller Gulch and Cook & White coal beds near Cerrillos, Santa Fe County, N. Mex. :Reserves ; coking, petrographic, and chemical properties

Estimate of Known Recoverable Reserves of Coking Coal in Westmoreland County, Pennsylvania

Estimate of Known Recoverable Reserves of Coking Coal in Armstrong County, Pennsylvania.

Estimate of Known Recoverable Reserves of Coking Coal in Pike County, Kentucky

Estimate of Known Recoverable Reserves of Coking Coal in Fayette County, Pennsylvania

Estimate of Known Recoverable Reserves of Coking Coal in Floyd County, Kentucky

Modified longwall mining with a German coal planer (plow) in the Pocohontas No. 4 coal bed, Helen, W. Va.

Castleman Basin, Garrett County, Maryland

Coal Deposits in the Deep River Field, Chatham, Lee, and Moore Counties, N.C.

Coal Deposit, Coal Creek District, Gunnison County Colorado: Reserves, Coking Properties, and Petrographic and Chemical Characteristics


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