Browse TRAIL Inventories

Friability, grindability, chemical analyses, and high- and low-temperature carbonization assays of Alabama coals

Splint coals of the Appalachian Region:their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals

Carbonizing properties of Pocahontas no. 3-bed coal from Kimball, McDowell county, W. Va. :and the effect of blending this coal with Pittsburgh-bed coal

Carbonizing properties of western region interior province coals and certain blends of these coals

Carbonizing properties and petrographic composition of Hazard no. 4 coal from Columbus no. 4 mine and high-temperature carbonizing properties of Hazard no. 7 coal from Hardburly mine, Perry county, Ky.

Carbonizing properties of Powellton-bed coal from Coal Mountain mine, Guyan, Wyoming County, W. Va.

Carbonizing properties of Eagle-bed coal from Prospect shaft, Carbon, Kanawha County, W. Va.

Carbonizing properties of velva lignite from Ward county, N. Dak., and monarch coal from Sheridan county, Wyo.

Carbonizing properties of western coals

Carbonizing properities of Hill-bed coal from Hickey no. 1 mine on Lookout Mountain, Cherokee County, Ala.

Carbonizing properties of Elkhorn no. 3-bed coal from Wheelwright mine, Floyd County, Ky.

An investigation of a laboratory test for determination of the free-swelling index of coal

Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.

Carbonizing properties of no. 5 block-bed coal from no. 5 mine, Montcoal, Raleigh County, W. Va.,and of Pocahontas no. 6-bed coal from Birdseye mine, Sewell, Fayette County, W. Va.

Carbonizing properties of Beckley-bed coal from Stanaford no. 1 mine, Mount Hope, Raleigh County, W. Va.


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