| Specimen ID | 278920 |
| Group | Fishes |
| Genus | Esox |
| Species | masquinongy |
| Common Name | Muskellunge |
| State | IL |
| County | Grundy |
| Locality | Heidecke Lake (adjacent to Illinois River), 2.5 mi. east of Morris, IL |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Illinois |
| HUC8 Number | 07120005 |
| HUC10 Name | Waupecan Creek-Illinois River |
| HUC10 Number | 0712000507 |
| HUC12 Name | Heidecke Lake-Illinois River |
| HUC12 Number | 071200050701 |
| Map | |
| Collection Day | 25 |
| Collection Month | 6 |
| Collection Year | 1997 |
| Year Accuracy | Publication Year |
| Potential Pathway | stocked for sport |
| Status | stocked |
| Reference 1 |
| Ref. Number: | 1617 |
| Author: | Illinois Department of Natural Resources. |
| Date: | 1997 |
| Title: | Places to fish. |
| Journal: | On-line. Accessed June 25, 1997. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
