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The mineral industry of Pennsylvania in 1970
The mineral industry of Pennsylvania in 1970
Author: Franklin Cooper
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: 156594
Publication Date: 1972
Pages: 35
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Publisher: Dept of environmental resources
Book Type: Paperback
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