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You searched for: Creator Personal Names Leonard, Joseph W. Remove constraint Creator Personal Names: Leonard, Joseph W. All Subjects Coal mines and mining--Decision-making. Remove constraint All Subjects: Coal mines and mining--Decision-making. Subject Topical Coal--Research--West Virginia. Remove constraint Subject Topical: Coal--Research--West Virginia.
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1. Coal seam structure as a basis for decision making.

Creator Personal:
Holland, Charles T., Leonard, Joseph W.
Title:
Coal seam structure as a basis for decision making.
Call Number:
P2094
Date:
undated
Description:
Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, no. 50. "Presented before the Fall Meeting and Exhibit of the American Institute of Mining, Metallurgical and Petroleum Engineers, September 17-19, 1969, Salt Lake City, Utah."
Subject Topical:
Coal--Research--West Virginia., Coal mines and mining--Decision-making.
All:
Coal--Research--West Virginia., Coal mines and mining--Decision-making.