| Area   | 
         S.F. Trinity  | 
     
     
         | Topic | 
         Sediment: Road Miles by Type - South Fork Trinity, GMA  (2003) | 
     
 
 
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   Caption:  The chart above shows percent of road mileage by type broken out by subwatershed within the South Fork Trinity River tributaries as of 2003. Data compiled by Graham Matthews and Associates for the South Fork Trinity River Water Quality Monitoring Project (2003).  Total native road surface (i.e. unpaved) miles compose over 50% of the total roads in all South Fork Trinity sub-basins except for the South Fork Rattlesnake sub-basin.  Native road surfaces are likely to contribute high fine sediment yields.  Click on Info Links for more information. 
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 Chart Table web page.
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 road_mi_type_sf_trinity_wshd_gma.dbf (size 1,330 bytes)  .
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 Source Table web page. To download the table with the chart's source data, click 
 sed_roads_densities_sf_trinity_gma_2003.dbf (size 4,930 bytes)