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 You selected the area Geyserville and the topic Habitat: Habitat Types by Length Russian R. in Alexander Valley 1992  
 
This map shows the unit-level results of a July and August 1992 habitat typing survey of the Russian River in the Alexander Valley reach. Units are color-coded by habitat type with relative lengths of pools, riffles and runs (flatwater) displayed. Pool frequency was low, with only 21.7% pools of stream length as pools. The surveyed reach extends from the confluence of Big Sulphur Springs to the intersection of the mainstem and the Alexander Valley Bridge. Data were collected by Circuit Rider Productions. Scale = 1:126,547 .



 
 
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