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You searched for: Medium print Remove constraint Medium: print Topical Subjects Coal Mines and Mining--Consolidation Coal Company. Remove constraint Topical Subjects: Coal Mines and Mining--Consolidation Coal Company. Topical Subjects Coal--Testing. Remove constraint Topical Subjects: Coal--Testing.
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Two men at work in a quality control lab.

1. Coal Quality Control Laboratory

IDNO:
002146
Title:
Coal Quality Control Laboratory
Description:
Two men at work in a quality control lab.