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You searched for: All Creators Holland, Charles T. Remove constraint All Creators: Holland, Charles T. All Creators Leonard, Joseph W. Remove constraint All Creators: Leonard, Joseph W. Subject Topical Coal mine accidents--West Virginia. Remove constraint Subject Topical: Coal mine accidents--West Virginia. Subject Topical Coal--Research--West Virginia. Remove constraint Subject Topical: Coal--Research--West Virginia. Subject Topical Mine safety--West Virginia. Remove constraint Subject Topical: Mine safety--West Virginia.

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