| Specimen ID | 116406 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IN |
| County | Lake |
| Locality | Lake Michigan, Amoco Oil Company at Whiting, IN |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Michigan |
| HUC8 Number | 04190000 |
| HUC10 Name | Lake Michigan |
| HUC10 Number | 0419000002 |
| HUC12 Name | Lake Michigan |
| HUC12 Number | 041900000200 |
| Map | |
| Collection Month | 10 |
| Collection Year | 1989 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Comments | Number collected was 3000-5400/sq.m. Zebra mussels were also observed on 6/90, 6/91, and 11/91. No new details were forwarded for these dates. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 4 K/sq.m |
| Size | 12.7 - 19.0 mm |
