Go back to directory.Add to Address Book. Scott Gritters IADNR 24143 Highway 52 Bellevue IA 52031 work Work Email: Scott.Gritters@dnr.iowa.govINTERNET Categories: Fisheries State Reps, Fisheries Technical Section, Mussels State Reps, Mussels Technical Section, OREIT Technical Section Updated 1 year ago.