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Bridges & Structures

 

Manual for Abandoned Underground Mine Inventory and Risk Assessment

Descriptive Paper | Process Flow Chart | Table of Contents

Cover Photo: Three coal-mine dogs hitched in tandem at an underground mine in Muskingum County. Ohio Division of Geological Survey file photo by State Geologist Wilbur Stout in 1917.

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MAY 15, 1998

Copyright © 1999 FHWA
Lefchik, Thomas

Cover photo:

Three coal-mine dogs hitched in tandem at an underground mine in Muskingum County. Ohio Division of Geological Survey file photo by State Geologist Wilbur Stout in 1917.

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