| Area |
South Fork Big River |
| Topic |
Sediment: Matthews Road Construction by SF Basin 1921-2000 |
Click on image to enlarge (89K). Click here to display a larger version (167K).This image, from Matthews and Associates (2001) Appendix B-3, shows roads and construction period in the South Fork Big River Planning Watershed. The South Fork Planning Watershed includes the South Fork Big River and the Daugherty Creek CalWater sub-basin. This Planning Watershed has a road density of 5.81 mi/sq mi, exceeding the properly functioning condition set by the National Marine Fisheries Service (1996), which is less than 3 mi/sq mi.
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Click on image to enlarge (89K). Click here to display a larger version (167K).