J is for Jack The early days of drilling created a test of strength and endurance for miners. By Bill Langer Jack (n.) — used as a form of address for an unknown person — ‘It is common among schoolboys … to address ...
SUBSCRIBE & FOLLOW
- MSHA's top 25 most cited standards at sand and gravel facilities in 20151563 Views
- MSHA's top 25 most cited standards at stone facilities in 20151046 Views
- MSHA issues 95 citations to seven mines during December inspections1015 Views
- Obama proposes $10-per-barrel tax on oil production700 Views
- Stockpile Reports launches bin and bunker measurement for stockpiled materials via iPhone, drone409 Views