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You searched for: Digital Content Digital Content Remove constraint Digital Content: Digital Content All Subjects Coal--West Virginia. Remove constraint All Subjects: Coal--West Virginia. Subject Topical Coal--West Virginia. Remove constraint Subject Topical: Coal--West Virginia.

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["<p> Pamphlet. "A paper read before the American Institute of Mining Engineers, Virginia Beach Meeting, 1894."<br /> <br />  </p>"]
["Pamphlet."]