ODNR, DIVISION OF MINERAL RESOURCES
- DAVID CROW, DEPUTY CHIEF, COAL/ INDUSTRIAL MINERALS PROGRAMS
- dave.crow@dnr.state.oh.us
- 614-265-6633
- LANNY ERDOS, DIVISION CHIEF, MINE SAFETY PROGRAM ADMINISTRATOR
- lanny.erdos@dnr.state.oh.us
- 614-265-6893
- TYSON LAMIELLE, INDUSTRIAL MINERALS INSPECTION, SUPERVISOR
- tyson.lamielle@dnr.state.oh.us
- 330-335-7602
- tyson.lamielle@dnr.state.oh.us
- MIKE MANN, BLASTING, ENVIRONMENTAL SPECIALIST
- mike.mann@dnr.state.oh.us
- 330-339-2207