Technology Employment And Output Per Man In Phosphate Rock Mining 1880 1937

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Technology, Employment, and Output Per Man in Phosphate-rock Mining, 1880-1937

Author	: A. Porter Haskell
Publisher	:
Total Pages	: 156
Release	: 1938
ISBN-10	: SRLF:AA0012872255
ISBN-13	:
Rating	: 4/5 ( Downloads)

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Book Synopsis Technology, Employment, and Output Per Man in Phosphate-rock Mining, 1880-1937 by : A. Porter Haskell

Download or read book Technology, Employment, and Output Per Man in Phosphate-rock Mining, 1880-1937 written by A. Porter Haskell and published by . This book was released on 1938 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: