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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.

1. Modified Longwall Mining with a German Coal Planer

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.
'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.

2. Wood Crib with One Crib Release Tripped at Pocahontas No. 4 Coal Bed, Helen, W. Va.

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.
'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.

3. Wood Crib with Both Releases Tripped and Crib Collapsed at Pocahontas No. 4 Coal Bed, Helen, W. Va.

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.
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; Please give credit to Bureau of Mines, United States, Department of Interior.

4. Longwall Face Showing Armored Conveyor, Planer, and Roof Supports

IDNO:
002747
Title:
Longwall Face Showing Armored Conveyor, Planer, and Roof Supports
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; Please give credit to Bureau of Mines, United States, Department of Interior.