Extension Study Course in Coal Mining
Author : Coal Mine Management
Publisher :
Page : 644 pages
File Size : 30,36 MB
Release : 1926
Category : Coal mines and mining
ISBN :
Author : Coal Mine Management
Publisher :
Page : 644 pages
File Size : 30,36 MB
Release : 1926
Category : Coal mines and mining
ISBN :
Author : Pennsylvania. State College. Mineral Industries Extension Services
Publisher :
Page : pages
File Size : 10,82 MB
Release : 1938
Category : Coal mines and mining
ISBN :
Author : Pennsylvania State College. Mineral Industries Extension Division
Publisher :
Page : pages
File Size : 11,92 MB
Release : 1934
Category : Coal mines and mining
ISBN :
Author : Pennsylvania State College. School of Mineral Industries
Publisher :
Page : 295 pages
File Size : 22,53 MB
Release : 1931
Category : Coal mines and mining
ISBN :
Author : United States. Congress. House. Committee on Education and Labor
Publisher :
Page : 518 pages
File Size : 10,19 MB
Release : 1952
Category : Coal mines and mining
ISBN :
Author : Frederick Anthony Zeller
Publisher :
Page : 182 pages
File Size : 47,4 MB
Release : 1975
Category : Coal miners
ISBN :
Author : United States. Congress. Senate. Committee on Labor and Public Welfare
Publisher :
Page : 460 pages
File Size : 13,1 MB
Release : 1952
Category :
ISBN :
Author : United States. Congress. Senate. Committee on Labor and Public Welfare. Special Subcommittee on Mine Safety
Publisher :
Page : 496 pages
File Size : 42,25 MB
Release : 1952
Category : Coal mines and mining
ISBN :
Considers (82) S. 1310.
Author :
Publisher :
Page : 486 pages
File Size : 18,32 MB
Release : 1926
Category : Coal mines and mining
ISBN :
Author : Robert Zerubabel Virgin
Publisher :
Page : 1732 pages
File Size : 37,45 MB
Release : 1920
Category : Mine timbering
ISBN :