Author: Anthony J. BarryPublisher:
ISBN:
Category : Longwall mining
Languages : en
Pages : 54
Book Description
Roof Movement Study of Mechanized Retreating Longwall Operation, Lancashire No. 15 Mine, Bakerton, Cambria County, Pa
Author: Anthony J. BarryPublisher:
ISBN:
Category : Longwall mining
Languages : en
Pages : 54
Book Description
Technical Paper
Author: United States. National Resources Planning BoardPublisher:
ISBN:
Category : Regional planning
Languages : en
Pages : 408
Book Description
Studies of Roof Movement in Coal Mines
Author: Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 88
Book Description
Technical Paper
Author: Research and Progress in the Production and Use of Coal
Author: United States. Bureau of MinesPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 56
Book Description
Annual Report of Research and Technologic Work of Explosives, Explosions, and Flames
Author: Bernard LewisPublisher:
ISBN:
Category : Combustion
Languages : en
Pages : 122
Book Description
Report of Investigations
Author: Technical Paper - Bureau of Mines
Author: United States. Bureau of MinesPublisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 1212
Book Description
Annual Report of Research and Technologic Work on Coal, Fiscal Year 1938
Author: Arno Carl FieldnerPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 94
Book Description
Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States
![Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States PDF](https://books.google.com/books/content/images/frontcover/YUwLkyg9iq0C?fife=w80-h100)
Author: United States. Superintendent of DocumentsPublisher:
ISBN:
Category : Government publications
Languages : en
Pages : 2636
Book Description