Author: Willard Eugene Hotchkiss
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 876
Book Description
Mechanization, Employment, and Output Per Man in Bituminous-coal Mining
Mechanization, Employment, and Man Output Per Man in Bituminous-coal Mining
Author: United States. Work Projects Administration
Publisher:
ISBN:
Category :
Languages : en
Pages : 492
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 492
Book Description
Mechanization, Employment, and Output Per Man in Bituminous-coal Mining
Author: Willard Eugene Hotchkiss
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 441
Book Description
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 441
Book Description
Mechanization, Employment, and Output Per Man in Bituminous-coal Mining
Bulletin of the United States Bureau of Labor Statistics
The Plight of the Bituminous Coal Miner
Author: Homer L. Morris
Publisher: University of Pennsylvania Press
ISBN: 1512804622
Category : Social Science
Languages : en
Pages : 284
Book Description
A firsthand graphic account of the deplorable conditions in the Kentucky and West Virginia mines, covering the general economic problem and possible rehabilitation for the 200,000 miners who will be permanently out of work.
Publisher: University of Pennsylvania Press
ISBN: 1512804622
Category : Social Science
Languages : en
Pages : 284
Book Description
A firsthand graphic account of the deplorable conditions in the Kentucky and West Virginia mines, covering the general economic problem and possible rehabilitation for the 200,000 miners who will be permanently out of work.
Production, Employment, and Productivity in the Mineral Extractive Industries, 1880-1938
Author: Vivian Eberle Spencer
Publisher:
ISBN:
Category : Economics
Languages : en
Pages : 192
Book Description
Publisher:
ISBN:
Category : Economics
Languages : en
Pages : 192
Book Description
Mineral Technology and Output Per Man Studies
List of Publications Issued by the Bureau of Mines, with Subject and Author Index
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 532
Book Description
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 532
Book Description
List of Publications Issued by the Bureau of Mines from July 1, 1910, to January 1, 1960
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral engineering
Languages : en
Pages : 838
Book Description
Publisher:
ISBN:
Category : Mineral engineering
Languages : en
Pages : 838
Book Description