| Specimen ID | 116487 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Crawford |
| Locality | Mississippi River (R.M. 647.9) at Lock and Dam No. 9 auxillary lock chamber, about 15 miles north of Prairie du Chien, Wisconsin |
| Mapping Accuracy | Accurate |
| HUC8 Name | Coon-Yellow |
| HUC8 Number | 07060001 |
| HUC10 Name | Bloody Run-Mississippi River |
| HUC10 Number | 0706000110 |
| HUC12 Name | Picatee Creek-Mississippi River |
| HUC12 Number | 070600011001 |
| Map | |
| Collection Day | 9 |
| Collection Month | 9 |
| Collection Year | 1992 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Disposal | ethanol |
| Museum Cat Number | USFWS-EMTC, Onalaska, WI |
| Verifier | Tim Peterson, US Army COE, St. Paul Dist., St. Pau |
| Freshwater/Marine | Freshwater |
| Number Collected | 2 |
| Year Class | adult |
| Size | 10-12 mm |
