Acosta, T., 2000, personal communication, City of Oakland, Office of Parks and Recreation, Director.
Barbera, F., B. Hopp, C. Crockett, L. Strom-Berg, 1986, Synopsis of Historical, Environmental, and Sociological Considerations Related to Mountain Bicycle Use in Park Trail Settings, Submitted to the Off-Road Bicycle Committee of the Santa Clara County Parks and Recreation Department.
Birkeland, P.W., Machette, M.N., and Haller, KM., 1991, Soils as a tool for applied Quaternary geology: Utah Geological and Mineral Survey, Miscellaneous Publication 91-3, 63 p.
Elliot, W.J. and L.M. Tysdal, 1999, Understanding and Reducing Erosion From Insloping Roads, Journal of Forestry, Vol. 97, no. 8, p. 30-34.
Harr, R.D. and R.A. Nichols, 1993, Stabilizing Forest Roads To Help Restore Fish Habitats: A Northwest Washington Example, Fisheries, vol. 18, no. 4, p. 18-22.
Hickman, J.C. 1996, The Jepson Manual: Higher Plants of California. University of California Press. Berkeley, CA.
Kuss, F.R., 1983, Hiking Boot Impacts on Woodland Trails, Journal of Soil and Water Conservation, p. 119-121.
Pacific Watershed Associates, 1994c, Handbook for forest and ranch roads, prepared for the Mendocino County Resource ConservationDistrict in cooperation with the California department of Forestry and the U.S. Soil Conservation Service. Mendocino Resource Conservation District, Ukiah, California, 163 pages.
Pickart, A. and A. Eicher, 2000, Invasive Weeds of Humboldt County: A Guide for Concerned Citizens. Bug Press. Arcata, CA.
Megahan, W.F. and W.J. Kidd, 1972, Effects of Logging and Logging Roads on Erosion and Sediment Deposition From Steep Terrain, Journal of Forestry
Radbruch, D.H., 1969, Areal and Engineering Geology of the Oakland East Quadrangle, California, Map GQ-769, U.S. Geological Survey, Washington D.C.
Riley, A., 1998, Restoring Streams in Cities, A Guide for Planners, Policymakers, and Citizens, Island Press, 450 p.
Reid, L.M. and T. Dunne, 1984, Sediment Production from Road Surfaces, Water Resources Research, 20, p. 1753-1761.
Seney, J.P., 1989, Erosional Impact of Hikers, Horses, Off-Road Bicycles, and Motorcycles on Mountain Trails, Final Report for Grant INT-89436-RJVA submitted to USDA-Forest Service Intermountain Research Station, Missoula, MT 59801.
Soil Survey Division Staff, 1993, Soil Survey Manual: United States Department of Agriculture, Handbook no. 18.
Summer, R.M., 1980, Impact of Horse Traffic on Trails in Rocky Mountain National Park, Journal of Soil and Water Conservation, vol. 35p. 85-87.
Weaver, W.D., 1998, Assessment and Implementation Techniques For Road-Related Sediment Source Inventories and Storm-Proofing, In Proceedings, California Licensed Foresters Association, Geology/Mass Wasting Workshop, Eureka, CA.
Weaver, W., D. Hagans, and M.A. Madej, 1987, Managing Forest Roads to Control Cumulative Erosion and Sedimentation Effects. In Proceedings, California watershed management conference. University of California, Wildland Resources Center Report 11, Berkeley.
Weaver, T. and D. Dale, 1978, Trampling Effects of Hikers, Motorcycles And Horses in Meadows and Forests, Journal of Applied Ecology, 15, p. 451-457.
