Effects of abandoned multiple seam workings on a longwall in Virginia. By Gregory J. Chekan [and others]

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Published by U.S. Dept. of the Interior in Washington .
Written in English

Subjects:

• Mine subsidences - Virginia,
• Longwall mining - Virginia

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Edition Notes

11

The Physical Object
Pagination	15 p.
Number of Pages	15
ID Numbers
Open Library	OL22060118M

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