National Research Council (NRC). 1992. Restoration of aquatic ecosystems. Washington, D.C.: National Academy Press.
National Research Council (NRC). 1993. A Paradigm for Ecological Risk Assessment. In Issues in risk assessment. Washington, D.C.: National Academy Press.
National Research Council (NRC). 1996. Upstream: salmon and society in the Pacific Northwest. Washington, D.C.: National Academy Press.
National Research Council (NRC). 1994. Rangeland Health: New Methods to Classify, Inventory, and Monitor Rangelands. Washington, D.C.: National Academy Press.
Nichols, M. H., L. J. Lane, H. M. Arias, and C. Watts. 1994. Comparative modeling of large watershed responses between Walnut Gulch, Arizona, USA, and Matape, Sonora, Mexico. In. Variability is Stream Erosion and Sediment Transport (Proc. of the Canberra Symposium, Dec. 1994, Ed. by L. J. Olive, R. J. Loughran, and J. A. Kesby). IAHS Pub. No. 224, pp. 351-358.
Organization for Economic Cooperation and Development (OECD). 1997. Environmental Indicators for Agriculture. Paris: OECD Publications Services.
Soil Conservation Service (SCS). 1964. Hydrology. In SCS National Engineering Handbook, U.S. Department of Agriculture, Washington, D.C.
Suter, G. W., II. 1993. Ecological Risk Assessment. Boca Raton, Fla. Lewis Publishers.
U.S. Army Corps of Engineers. 1995a. HEC-RAS River Analysis Systems—User's Manual, Version 1.0. Davis, Calif.: Hydrologic Engineering Center.
U.S. Army Corps of Engineers. 1995b. HEC-RAS River Analysis System—Hydraulic Reference Manual, Version 1.0. Davis, Calif.: Hydrologic Engineering Center.
U.S. Environmental Protection Agency. 1992. Framework for ecological risk assessment. EPA/625/3-91/022. Washington, D.C.: Risk Assessment Forum, U.S. Environmental Protection Agency.
U.S. Environmental Protection Agency. 1996. Proposed Guidelines for Ecological Risk Assessment; Notice. 61 CFR 175 47552-47631. Washington, D.C.: U.S. Environmental Protection Agency.
Wang, H. and R. Srinivasan. 1997. WWW Publication of HUMUS — ''HUMUS on Line", Annual Conference and Exposition Proceedings of the ACSM/ASPRS, Vol. 4, pp. 578-588.
Washington Forest Practices Board. 1995. Standard methodology for conducting watershed analysis under Chapter 222-22 WAC, Version 3.0. Olympia, Washington: Washington Department of Natural Resources.
Wight, J. R., and J. W. Skiles (eds.). 1987. SPUR—Simulation of Production and Utilization of Rangelands: Documentation and user guide.
Woolhiser, D. A., R. E. Smith, and D. C. Goodrich. 1990. KINEROS, A Kinematic Runoff and Erosion Model: Documentation and User Manual. U.S. Department of Agriculture, Agricultural Research Service, ARS-77, 130 pp.
Wurbs, R. A. 1994. Computer Models for Water Resources Planning and Management. Institute for Water Resources Report IWR 94-NDS-7. Fort Belvoir, Va.: U.S. Army Corps of Engineers.
Young, R. A., C. A. Onstad, D. D. Bosch, and W. P. Anderson. 1989. AGNPS: A nonpoint source pollution model for evaluating watersheds. J. Soil and Water Cons. 44:168-172.