The mining industries, 1899-1939 : a study of output, employment and productivity /

Bibliographic Details
Main Author:	Barger, Harold
Other Authors:	Schurr, Sam H.
Format:	Book
Language:	English
Published:	New York : National bureau of economic research, inc., 1944.
Series:	General series (National Bureau of Economic Research) ; no. 43.
Subjects:	Mineral industries > United States. Mining engineering.