| Specimen ID | 117137 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Clayton |
| Locality | Mississippi River, at Lock and Dam #10 near Guttenberg, IA |
| Mapping Accuracy | Accurate |
| HUC8 Name | Grant-Little Maquoketa |
| HUC8 Number | 07060003 |
| HUC10 Name | Sny Magill Creek-Mississippi River |
| HUC10 Number | 0706000307 |
| HUC12 Name | Lock and Dam No 10-Mississippi River |
| HUC12 Number | 070600030704 |
| Map | |
| Collection Day | 2 |
| Collection Month | 7 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Density of adults was 17.69/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 | 283 |
| Year Class | adult |
| Size | > 5 mm |
