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Photo Pages.
Photos on this page are from sub-basin Petaluma River and series Monitoring: WQ- Map of chlorpyrifos sampling stations in Upper Petaluma River Watershed 1998.

For a list of photo pages sorted by series, click here. For a list of photo pages sorted by sub-basin, click here.

Click on any thumbnail to see a larger photo. For detailed information on these photos click here.

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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)