DNR plans groundwater study to determine heavy metal content near frac sand mines
Wisconsin DNR drafting new general wastewater rule for frac sand mines
Controversial quarry granted permit by Indiana Department of Natural Resources
Two teens dead after falling through ice at quarry
OAIMA receives Public Outreach Award from Ohio DNR
ORV enthusiasts could take over used-up gravel pits
What should be done with this big pile of sand?
Sand mine shut down by DNR
Spring Mill Mine to become grassland habitat
McCook Quarry resumes blasting for first time since November earthquake
Indiana DNR takes comments from Tippecanoe, Carroll residents on proposed quarry