| Specimen ID | 117134 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MN |
| County | Winona |
| Locality | Mississippi River, at Lock and Dam #7 near La Crescent, MN |
| Mapping Accuracy | Accurate |
| HUC8 Name | La Crosse-Pine |
| HUC8 Number | 07040006 |
| HUC10 Name | Halfway Creek-Mississippi River |
| HUC10 Number | 0704000601 |
| HUC12 Name | Lake Onalaska-Mississippi River |
| HUC12 Number | 070400060103 |
| Map | |
| Collection Day | 23 |
| Collection Month | 8 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Density of adults was 35.06/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 | 561 |
| Year Class | adult |
| Size | > 5 mm |
