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
- PHOTOS: Caterpillar unveils new 3-tower HQ campus spanning 6 city blocks in Peoria (VIDEO)333 Views
- Quarry worker safety is a big deal in the U.S., but not everywhere in the world289 Views
- Opportunities for worker recruitment and retention197 Views
- Caterpillar “Built For It” Trials video: Cat generator powers Lantern Festival in China’s Yuhu Village146 Views
- Golden Boy116 Views