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You searched for: Creator Personal Names Leonard, Joseph W. Remove constraint Creator Personal Names: Leonard, Joseph W. Subject Topical Mineral industries--Economic aspects. Remove constraint Subject Topical: Mineral industries--Economic aspects.
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1. Optimum location of mining facilities for safety and economy.

Creator Personal:
Humphreys, Kenneth King., Leonard, Joseph W.
Title:
Optimum location of mining facilities for safety and economy.
Call Number:
P3908
Date:
1970
Description:
Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, no.57.
Subject Topical:
Mine safety., Mineral industries--Safety measures., Mining engineering., Mineral industries--Economic aspects.
All:
Mine safety., Mineral industries--Safety measures., Mining engineering., Mineral industries--Economic aspects.