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17 results returned

Estimate of Known Recoverable Reserves of Coking Coal in McDowell County, West Virginia

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

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

Estimate of Known Recoverable Reserves of Coking Coal in Wyoming County, West Virginia

Estimate of Known Recoverable Reserves of Coking Coal in Allegany County, Maryland

Estimate of Known Recoverable Reserves of Coking Coal in Allegany County, Maryland

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

Estimate of Known Recoverable Reserves of Coking Coal in Mingo County, West Virginia

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

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

Estimate of Known Recoverable Reserves of Coking Coal in Mercer County, West Virginia

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

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

Cementation of bituminous-coal-mine roof strata.

Costs of mining under bolted roof and timbered roof in bituminous coal mines

Hydraulic coal mining research :equipment and preliminary tests

Hydraulic coal mining research :assessment of parameters affecting the cutting rate of bituminous coal

Published Year

• 1950-1959 (14)
• 1960-1969 (3)

Subject

• Coal mines and mining (3)
• Bituminous coal (2)
• Coal -- Maryland -- Allegheny County. (2)
• Coal properties -- Maryland -- Allegany County. (2)
• Hydraulic mining (2)
• Coal -- Kentucky -- Harlan County. (1)
• Coal -- Kentucky -- Letcher County. (1)
• Coal -- Kentucky -- Perry County. (1)
• Coal -- Pennsylvania -- Allegheny County. (1)
• Coal -- Pennsylvania -- Greene County. (1)
• Coal -- Pennsylvania -- Somerset County. (1)
• Coal -- Pennsylvania -- Washington County. (1)
• Coal -- West Virginia -- McDowell County. (1)
• Coal -- West Virginia -- Mercer County. (1)
• Coal -- West Virginia -- Mingo County. (1)
• Coal -- West Virginia -- Wyoming County. (1)
• Coal mines and mining -- United States. (1)
• Coal properties -- West Virginia -- Wyoming County. (1)
• Coal--Research (1)
• Coking coal. (1)
• Mine roof control (1)
• Mineral industries. (1)

Author

• Wallace, Joseph J. (17) *
• Abernethy, R. F. (13)
• Dowd, James J. (13)
• Provost, John M. (6)
• Tavenner, William H. (4)
• Travis, Raymond G. (3)
• Ackerman, M. J. (2)
• Williams, Lloyd (2)
• Bowsher, John A. (1)
• Fowkes, Richard S. (1)
• Maize, Earl R. (1)
• Price, George Cletus. (1)

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