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
Author: Willard Eugene Hotchkiss
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 876
Book Description
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 876
Book Description
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
Mineral Technology and Output Per Man Studies
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 1306
Book Description
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 1306
Book Description
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
Mechanization, Employment, and Output Per Man in Bituminous-coal Mining
Author:
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages :
Book Description
Statistical Abstract of the United States
Author:
Publisher:
ISBN:
Category : United States
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category : United States
Languages : en
Pages :
Book Description
Information Circular
Author:
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 858
Book Description
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 858
Book Description
Circular
Author: United States. National Resources Planning Board
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 380
Book Description
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 380
Book Description
Federal Relations to Local Planning
Author: United States. National Resources Planning Board
Publisher:
ISBN:
Category : Regional planning
Languages : en
Pages : 366
Book Description
Publisher:
ISBN:
Category : Regional planning
Languages : en
Pages : 366
Book Description