Author: A. Porter HaskellPublisher:
ISBN:
Category : Miners
Languages : en
Pages : 156
Book Description
Technology, Employment, and Output Per Man in Phosphate-rock Mining, 1880-1937 PDF Download
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Author: A. Porter HaskellPublisher:
ISBN:
Category : Miners
Languages : en
Pages : 156
Book Description
Author: A. Porter Haskell
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