U.S. Geological Survey

Movie Magic Along Route 66
McCook Quarry resumes blasting for first time since November earthquake
Crushed stone production up 3% in Q4 2013
Third quarter earnings show mixed results
U.S. aggregates production rises in Q3 2013
Scientists point to quarry blast as cause of Illinois earthquake
Did a quarry blast cause a 3.2-magnitude tremor?
A Visit to the Dentist
A Taste of Barite
The Nation's Top 25 Construction Aggregates Producers