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Author Haskell, A. Porter.

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

Publication Info. Philadelphia, Pa. : Works progress administration, National research project, in cooperation with Department of the interior, Bureau of mines, 1938.

Item Status

Location Call No. Status OPAC Message Public Note Gift Note
 Moore Stacks  TN23 .N35 no.E-7    Available  ---
Description xvi, 130 pages : frontispiece, illustrations, map, tables, diagrams ; 26 cm.
Series National research project on reemployment opportunities and recent changes in industrial techniques. Mineral technology and output per man studies. [Report no. E-7]
Mineral technology and output per man studies ; rept. no. E-7.
Note Photoprinted.
Issued also in Technology, employment, and output per man: phosphate rock, crushed stone. (National research project on reemployment opportunities and recent changes in industrial techniques) [1938-39]
Bibliography Bibliographical footnotes.
Subject Phosphate industry -- United States.
Phosphate industry.
United States.
Mining machinery.
Mining machinery.
Miners -- United States.
Miners.
Added Author Kiessling, O. E. (Oscar Edward), 1901-1993.
United States. Bureau of Mines.