| Area   | 
         Mainstem Trinity  | 
     
     
         | Topic | 
         Sediment: Gravel Permeability Mainstem Trinity River 2000 | 
     
 
 
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   Caption:  This chart shows mean permeabilities of spawning gravels in the mainstem Trinity River between Lewiston Dam and Junction City for 2000.  Whiskers show one standard error from the mean. Data were collected by Graham Matthews and Associates in 2000.  There is a general trend of decreasing permeability in a downstream direction. The trend is likely due to the influence of tributary derived sediments.  See Info Links for more information.
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 sed_trinity_gravel_perm_2000_summary.db (size 4,096 bytes)  .
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 sed_trinity_gravel_perm_2000.dbf (size 24,630 bytes)