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You searched for: All Creators Leonard, Joseph W. Remove constraint All Creators: Leonard, Joseph W. All Subjects Coal--Research--West Virginia. Remove constraint All Subjects: 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.

2. Research, education and mine personnel safety in West Virginia.

Creator Personal:
Holland, Charles T., Leonard, Joseph W.
Title:
Research, education and mine personnel safety in West Virginia.
Call Number:
P10882
Date:
1969
Description:

Mimeograph of typescript. "Presented before the joint spring meeting of the West Virginia Coal Mining Institute and the Central Appalachian Section, AIME, at Charleston, West Virginia, April 18 and 19, 1969."

Subject Topical:
Coal--Research--West Virginia., Coal mine accidents--West Virginia., Mine safety--West Virginia.
All:
Coal--Research--West Virginia., Coal mine accidents--West Virginia., Mine safety--West Virginia.