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| HUC | Name |
|---|---|
| 0207000801 | Catoctin Creek |
| 0207000802 | Piney Run-Potomac River |
| 0207000803 | South Fork Catoctin Creek-Catoctin Creek |
| 0207000804 | Tuscarora Creek-Potomac River |
| 0207000805 | Upper Goose Creek |
| 0207000806 | North Fork Goose Creek |
| 0207000807 | Lower Goose Creek |
| 0207000808 | Seneca Creek |
| 0207000809 | Broad Run-Potomac River |
| 0207000810 | Difficult Run-Potomac River |
