Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 35
Book Description
PERMISSIBLE EXPLOSIVES, MINING EQUIPMENT, AND RESCUE APPARATUS APPROVED PRIOR TO JANUARY 1, 1925
Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 35
Book Description
Permissible Explosives, Mining Equipment, and Rescue Apparatus Approved Prior to January 1, 1925
Author: John Edwards CrawshawPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 46
Book Description
Permissible Explosives, Mining Equipment and Apparatus Approved Prior to January 1, 1923
Author: Spencer P. HowellPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 24
Book Description
Permissible Explosives, Mining Equipment, and Apparatus, Approved Prior to March 15, 1922
Author: Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 26
Book Description
List of Permissible Mine Equipment Approved
Author: United States. Bureau of MinesPublisher:
ISBN:
Category : Mine tools
Languages : en
Pages : 6
Book Description
Permissible Explosives, Mining Equipment and Apparatus Approved Prior to January 1, 1923
Author: Spencer Pritchard HowellPublisher:
ISBN:
Category :
Languages : en
Pages : 22
Book Description
Permissible Explosives, Mining Equipment, and Apparatus Approved Prior to January 1, 1924
Author: John Edward CrawshawPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 30
Book Description
Division of Safety
Author: United States. Congress. House. Committee on LaborPublisher:
ISBN:
Category : Accidents
Languages : en
Pages : 84
Book Description
Technical Paper
Author: Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 998
Book Description
Consumption of Explosives in September, 1926
Author: Earl Carlton LanePublisher:
ISBN:
Category : Blast furnaces
Languages : en
Pages : 632
Book Description
