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The mineral industry of Pennsylvania in 1991
The mineral industry of Pennsylvania in 1991
Author: L. J. Prosser
A year book of information dealing with the mineral production of Pennsylvania .Lists minerals by tonnage and $ amount , work time and injury experience , separate charts for coal production , anthracite production and more. Loaded with charts and tables.
ISBN: 156610
Publication Date: 1991
Pages: 8
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Publisher: Dept of environmental resources
Book Type: Paperback
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