Search Results
- IDNO:
- 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.
- IDNO:
- 001786
- Title:
- Modified Longwall Mining with a German Coal Planer
- Description:
- Plan for modified longwall mining with a German coal planer. Text on back reads, 'Progress report 2: Completion of mining in three adjacent panels in the Pocahontas No. 4 coal bed, Helen, W. Va.' If picture is used for publication please give credit to the Bureau of Mines, U.S. Deptartment of Interior.