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Technology, employment, and output per man in phosphate-rock mining, 1880-1937 / by A. Porter Haskell, Jr. and O.E. Kiessling.

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Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Haskell, A. Porter
Corporate Authors:	National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), United States. Bureau of Mines
Other Authors:	Kiessling, O. E. (Oscar Edward), 1901-1993
Other title:	Phosphate-rock mining, 1880-1937. Western Federation of Miners and International Union of Mine, Mill, and Smelter Workers Research Department Library.
Format:	Government Document Book
Language:	English
Local Note:	Archives copy Western Federation of Miners and International Union of Mine, Mill, and Smelter Workers Research Department Library.
Published:	Philadelphia, Pa. : Works Progress Administration, National Research Project in cooperation with Dept. of the Interior, Bureau of Mines, 1938.
Series:	Mineral technology and output per man studies ; report no. E-7.
Subjects:	Phosphate mines and mining > United States. Phosphate industry > United States. Mining machinery. Miners > United States.

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Holdings details from PASCAL Offsite
Call Number:	FW 4.7:E-7
FW 4.7:E-7	Available Place a Hold