Search Results
- IDNO:
- 002637
- Title:
- Wood Crib with One Crib Release Tripped at Pocahontas No. 4 Coal Bed, Helen, W. Va.
- Description:
- 'Modified Longwall Mining with a German Coal Planer. Progress Report 2: Completion of Mining in three Adjacent Panels in the Pocahontas No. 4 Coal Bed, Helen, W. Va.'If this photograph is used for publication, please give credit to the Bureau of Mines, United States, Department of Interior.
- IDNO:
- 002638
- Title:
- Wood Crib with Both Releases Tripped and Crib Collapsed at Pocahontas No. 4 Coal Bed, Helen, W. Va.
- Description:
- 'Modified Longwall Mining with a German Coal Planer. Progress Report 2: Completion of Mining in three Adjacent Panels in the Pocahontas No. 4 Coal Bed, Helen, W. Va.' If this photograph is used for publication, please give credit to the Bureau of Mines, United States, Department of Interior.