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S.F. Trinity |
Topic |
Sediment: Road Miles by Type - Hayfork Creek, GMA (2003) |
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Caption: The chart above shows percent of road mileage by type broken out by subwatershed within the Hayfork Creek watershed 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 Hayfork Creek sub-basins and are likely related to high fine sediment yields from these watersheds. Click on Info Links for more information.
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road_mi_type_hayfork_cr_wshd_gma.dbf (size 2,342 bytes) .
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sed_roads_densities_sf_trinity_gma_2003.dbf (size 4,930 bytes)