minerals

DNR plans groundwater study to determine heavy metal content near frac sand mines
Teachers learn about mining at Illinois Teachers Workshop: Rocks, Minerals & Mining in Today's Society
Columbus Rock & Mineral Society recognizes OAIMA for helping with this year's Central Ohio Mineral, Fossil, Gem & Jewelry Show & Sale
OAIMA receives IMCC minerals education award
The House of Representatives passed a bill that defines aggregates as 'strategic and critical'
Rogers Group’s Mitchell Quarry hosts students and rock hounds who love to study and collect rocks
Mars Mineral names new general manager