| Specimen ID | 117136 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Crawford |
| Locality | Mississippi River, at Lock and Dam #9 10 miles north of Prairie du Chien, WI |
| Mapping Accuracy | Accurate |
| HUC8 Name | Coon-Yellow |
| HUC8 Number | 07060001 |
| HUC10 Name | Rush Creek-Mississippi River |
| HUC10 Number | 0706000107 |
| HUC12 Name | Leitner Creek-Mississippi River |
| HUC12 Number | 070600010707 |
| Map | |
| Collection Day | 14 |
| Collection Month | 7 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Density of adults was 21.75/sq. m. This record from Zebra Mussel Monitoring 1994 by Tim Yager. U.S. Army Corps of Engineers, St. Paul, Minnesota. |
| Record Type | Personal communication |
| Verifier | U.S. Army Corps of Engineers biologists |
| Freshwater/Marine | Freshwater |
| Number Collected | 348 |
| Year Class | adult |
| Size | > 5 mm |