| Area | Petaluma River |
| Topic | WQ: Chlorpyrifos in Upper Petaluma River Watershed 1998 |
This map shows the locations of water quality sampling conducted in the Petaluma River watershed in 1998 by Petaluma Tree Planters. (Source: Petaluma Tree Planters, 1999)
Click on image to enlarge (54K).
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