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 Map Page.
 You selected the area Geyserville and the topic Map: 1G. Stream Gradient, Geyserville Sub-basin  | 
  
| This is a map of 1:24,000 scale stream gradient in the Geyserville sub-basin, displayed with sub-basins and a grayscale elevation hillshade. Anadromous fish prefer low-gradient habitat. | |||
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