1. Indiana Dunes Environmental
700 Howe Rd, Chesterton, IN 46304
Coordinate: 41.62533,-87.0964
Phone: (219) 395-8403
2. US Fish & Wildlife Service
1000 W Oak Hill Rd, Chesterton, IN 46304
Coordinate: 41.62971,-87.08681
Phone: (219) 983-9753