Tags: American Journal of Science
W is for Weathered Rock An old-school sound test demonstrates the difference between soil, core stones, and solid bedrock. Early in my career, I worked on a project in the northern Virginia province of Piedmont. I was preparing a map and report ...
SUBSCRIBE & FOLLOW
- Mine worker dies in tragic accident1184 Views
- Update on experienced plant manager killed at Murray Mines1109 Views
- Quarry workers in Egypt risking life and limbs (PHOTOS)1090 Views
- Rare Dinosaur bone found in Colorado quarry844 Views
- VIDEO: Excavator straddles extremely narrow bench, predictably topples over365 Views