Field Evaluation of Three Longwall Pillar Systems in a Kentucky Coal Mine
Author : Timothy M. Barton
Publisher :
Page : 24 pages
File Size : 41,23 MB
Release : 1989
Category : Columns
ISBN :
Author : Timothy M. Barton
Publisher :
Page : 24 pages
File Size : 41,23 MB
Release : 1989
Category : Columns
ISBN :
Author :
Publisher :
Page : 314 pages
File Size : 10,38 MB
Release : 1992
Category : Coal mines and mining
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 412 pages
File Size : 12,87 MB
Release : 1990
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines. Branch of Editorial Services
Publisher :
Page : 420 pages
File Size : 34,8 MB
Release : 1985
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines. Office of Public Information
Publisher :
Page : 412 pages
File Size : 30,16 MB
Release : 1985
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : pages
File Size : 28,6 MB
Release : 1992-04
Category : Government publications
ISBN :
Author :
Publisher :
Page : 416 pages
File Size : 39,77 MB
Release : 1992
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 556 pages
File Size : 31,89 MB
Release : 1992
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 852 pages
File Size : 42,65 MB
Release : 1990
Category : Power resources
ISBN :
Author :
Publisher :
Page : 1384 pages
File Size : 33,34 MB
Release : 1992
Category : Government publications
ISBN :