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NANFA
FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 17080001 | Lower Columbia-Sandy | Historic | NatureServe |
| 17090001 | Middle Fork Willamette | Current | NatureServe |
| 17090002 | Coast Fork Willamette | Current | NatureServe |
| 17090003 | Upper Willamette | Current | NatureServe |
| 17090004 | Mckenzie | Current | NatureServe |
| 17090005 | North Santiam | Current | NatureServe |
| 17090006 | South Santiam | Current | NatureServe |
| 17090007 | Middle Willamette | Current | NatureServe |
| 17090008 | Yamhill | Historic | NatureServe |
| 17090009 | Molalla-Pudding | Current | NatureServe |
| 17090011 | Clackamas | Current | NatureServe |
| 17090012 | Lower Willamette | Historic | NatureServe |