Modified Longwall Mining with a German Coal Planer (Plow) in the Pocahontas No. 3 Coalbed, Keystone, W. Va.
Identifier:
001785
Title:
Modified Longwall Mining with a German Coal Planer (Plow) in the Pocahontas No. 3 Coalbed, Keystone, W. Va.
Description:
Plan for modified longwall mining with a German coal planer (Plow) in the Pocahontas No. 3 coal bed, Keystone, West Virginia. Credit Bureau of Mines, U.S. Department of the Interior.
Subjects:
Longwall mining., Coal Mines and Mining., Coal mines and mining--West Virginia--Keystone.
