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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.

Modified Longwall Mining with a German Coal Planer

Identifier:
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.
Acquisition Source:
Munn, Robert F.
Acquisition Method:
Acquired
Medium:
print
Projects:
West Virginia History OnView