| Specimen ID | 1877738 |
| Group | Crustaceans-Crayfish |
| Genus | Pacifastacus |
| Species | leniusculus |
| Common Name | Signal Crayfish |
| State | OR |
| County | Multnomah |
| Locality | Columbia River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Columbia-Clatskanie |
| HUC8 Number | 17080003 |
| HUC10 Name | Hayden Island-Columbia River |
| HUC10 Number | 1708000302 |
| HUC12 Name | Hayden Island-Columbia River |
| HUC12 Number | 170800030200 |
| Map | |
| Collection Day | 11 |
| Collection Month | 8 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Reference 1 |
| Ref. Number: | 18728 |
| Author: | United States Environmental Protection Agency. |
| Date: | 2017 |
| Title: | STORET database |
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| Record Type | Literature |
| Number Collected | 1 |
