Whitethorn Honeydew Shelter Cove Punta Gorda Petrolia Ettersburg Potential Mean Shade (by reach) 0 - 20% Current Shade 20% - 40% Current Shade 40% - 60% Current Shade 60% - 80% Current Shade 80% - 100% Current Shade Community Highway 101 Main Road in Mattole Watershed Mattole River watershed boundary 2 0 2 4 6 1 Miles 2 0 2 4 6 8 10 1 Kilometers Figure 4-2 Map showing potential effective shade distribution, Mattole River watershed.