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You searched for: Topical Subjects Coal Mines and Mining--Consolidation Coal Company. Remove constraint Topical Subjects: Coal Mines and Mining--Consolidation Coal Company. Topical Subjects Core drilling. Remove constraint Topical Subjects: Core drilling.
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Men work with core drilling equipment on a hillside.

1. Core Drilling

IDNO:
002201
Title:
Core Drilling
Description:
Men work with core drilling equipment on a hillside.