Nehlson, W., J. Williams, and J. Lichatowich. 1990. Pacific salmon at the crossroads: Stocks at risk from California, Oregon, Idaho, and Washington.

Neilson, J. D., and C. E. Banford. 1983. Chinook salmon (Oncorhynchus tshawytscha) spawner characteristics in relation to redd physical features. Canadian Journal of Zoology. 61:1254- 1531.

Nelson, K., A. Loch, and G. Lucchetti. 1997. Wild coho salmon indicator stock study for the Stillaguamish River. Final Report Number 97-2. Tulalip Natural Resources Division, Marysville, WA.

Nelson, L.H., K. Nelson, and K. Rawson. 1995. Assessment of water quality of the upper Stillaguamish River in Snohomish County, Washington, 1991-1992. Tulalip Natural Resources Division Technical Report #95-2. Marysville, WA. 53pp.

Nelson, K., K. Thornburgh, and L. Halpin. 1991. A synoptic survey of point and nonpoint sources of pollution in the Church Creek Watershed.

Nichols, R. A., A. D. Zander and J. M. Shultz. 1990. A Methodology for Watershed Cumulative Effects Analyses Utilizing Vegetative Disturbances. USDA Forest Service-Mt Baker Snoqualmie National Forest, Sedro Woolley Washington.

NMFS (National Marine Fisheries Service). 1996a. Coastal Salmon Conservation: Working Guidance for Comprehensive Salmon Restoration Initiatives on the Pacific Coast.

NMFS (National Marine Fisheries Service), Northwest Regional Protected Resources Division. 1999. Endangered Species Act-reinitiated section 7 consultation, Biological Opinion. Approval of the Pacific Salmon Treaty by the U.S. Department of State and Management of the Southeast Alaska Salmon Fisheries Subject to the Pacific Salmon Treaty, p. 27.

NMFS (National Marine Fisheries Service). 2000. Viable salmonid populations and the recovery of evolutionarily significant units. Draft report to the National Marine Fisheries Service, Seattle, WA. 170p.

North, S., L. Lancaster, and A. Wineke. 1996. Rocky road through Granite Falls. Everett Herald, Sunday, February 26.

Nussbaum, R.A., E.D. Brodie, and R.M. Storm. 1983. Amphibians and reptiles of the Pacific Northwest. University of Idaho Press, Moscow, ID.

Palmisano, J., R. Ellis, and V. Kaczynski. 1993. The impact of environmental management factors on Washington's wild anadromous salmon and trout.

Palsson, W. A., J. C. Hoeman, G. G. Bargmann, and D. E. Day. 1997. 1995 status of Puget Sound bottomfish stocks (revised). Washington Department of Fish and Wildlife, Olympia, WA.

Paulsen, K., K. Thornburgh, and K. Rawson. 1991. Stillaguamish River volunteer water quality monitoring project. Tulalip Fisheries Department Program Report, #91-4. Marysville, WA. 62pp.

Pearcy, P. G. 1997. Salmon production in changing ocean domains. In Pacific salmon and their ecosystems symposium. Seattle, Wa.

Perkins, S. J., and B. D. Collins. 1997. Landslide and channel response inventory for the Stillaguamish watershed, Snohomish and Skagit Counties, Washington. Unpublished report.

Pess, G. 1999. Effects of flooding on chinook spawning success in two Puget Sound river basins.

Pess, G., and L. Benda. 1994. Spatial and temporal dynamics of spawning chinook salmon in the North Fork Stillaguamish River, WA. Geological Society of America Abstracts with Programs. 26(7): 440.

Pess, G.R., T.J. Beechie, J.E. Williams, D.R. Whitall, J.I. Lange, and J.R. Klochak. 2002. Watershed assessment techniques and the success of aquatic restoration activities, Chapter 8. In: Strategies for restoring river ecosystems: Sources of variability and uncertainty in natural and managed systems, R.C Wissmar, and P.A. Bisson (eds.). American Fisheries Society, Bethesda, Maryland.

Pess, G. R., B. D. Collins, M. Pollock, T. J. Beechie, A. Haas, and S. Grigsby. 1999. Historic and current factors that limit coho salmon (Oncorhynchus kisutch) production in the Stillaguamish River basin Washington State: implication for salmonid habitat protection and restoration. Prepared for Snohomish County Department of Public Works and the Stillaguamish Tribe.

Pess, G., M. McHugh, D. Fagen, P. Stevenson, and J. Drotts. 1998. Stillaguamish salmonid barrier evaluation and elimination project. Report prepared for the Northwest Indian Fisheries Commission, Olympia, WA.

Pess, G. R., D.R. Montgomery, T.J. Beechie, and L. Holsinger. 2002. Anthropogenic alterations to the biogeography of salmon in Puget Sound. Society of Ecological Restoration: Restoration of Puget Sound Rivers. University of Washington Press, Seattle, WA.

Pess, G. R., D.R. Montgomery, E. A. Steel, R. E. Bilby, B. E. Feist, and H. M. Greenberg. 2002. Landscape characteristics, land use, and coho salmon (Oncorhynchus kisutch) abundance, Can. J. Fish. Aquat. Sci. 59: 613-623.

Pess, G.R., M. Liermann, M. McHenry, T. Bennett, R. Peters, and P. Kiffney. 2002. Juvenile and adult salmonid response to the placement of logjams in the Elwha and Stillaguamish Rivers: preliminary results. Northwest Fisheries Science Center, Seattle, WA.

Peter, D. 1993. Subregional Ecological Assessment (REAP) for Mt. Baker-Snoqualmie National Forest. Report from the Subregional Ecological Assessment Team, USDA, Forest Service, Mountlake Terrace, WA.

Peterson, N. P., A. Hendry, and T. P. Quinn. 1992. Assessment of cumulative effects on salmonid habitat: some suggested parameters and target conditions. Report Prepared for the Dept. of Natural Resources and the CMERC of TFW. TFW-F3-92-001. University of WA, Seattle. 75p.

Plotnikoff, R., and J. Michaud. Portage Creek: Nonpoint source pollution effects on quality of the water resource.

Pollock, M. M. 1997. An analysis of current and historic riparian conditions in the
Stillaguamish Watershed. Unpublished report by the 10,000 Years Institute, Seattle, WA. August 1997.

Pollock, M. M., G. R. Pess. 1998. The current and historical influence of beaver (Castor canadensis) on Coho (Oncorhynchus kisutch) smolt production in the Stillaguamish River basin. Stillaguamish Tribe of Indians Natural Resources Department, Arlington, Washington.

Potash, L. 1991. Sensitive plants and noxious weeds of the Mt. Baker-Snoqualmie National Forest, USDA Forest Service Publication R6-MBS-02-1991.

Puget Sound Stock Review Group. 1997. Puget Sound Salmon Stock Review Group Report, 1997: An assessment of the statud of Puget Sound chinook and Strait of Juan De Fuca coho stocks as required under the salmon fishery management plan. Pacific Fishery Management Council. Portland, OR. pp. 3-10 to 3-15.

Puget Sound Task Force. 1970. Pacific Northwest river basin commission-comprehensive study of water and related land resources-Puget Sound and adjacent waters. Appendix XI. Fish and Wildlife, Olympia, WA.

Purser, M.D. 2001. Wadable Stream Habitat Survey Preliminary Results for the year 2000. Snohomish County Public Works Department, Surface Water Management Division.

Purser, M.D. 2002. Wadable Stream Habitat Survey Preliminary Results for the year 2001. Snohomish County Public Works Department, Surface Water Management Division.

Purser, M.D. 2003. Wadable Stream Habitat Survey Preliminary Results for the year 2002. Snohomish County Public Works Department, Surface Water Management Division.

Purser, M. D., R. Simmonds, S. Brunzell, and D. D. Wilcox. 2003. Classification and Analysis of August 2001 Land Cover: Snohomish County, WA. Snohomish County Department of Public Works, Everett, WA.

Purser, M. D., R. Simmonds, S. Brunzell, and D. D. Wilcox. 2003. The Snohomish County Land Cover Project: August 2002 Status Report. Snohomish County Department of Public Works, Everett, WA.

Ralph, S., G. Poole, L. Conquest, and R. Naiman. 1993. Stream channel condition and in-stream habitat in logged and unlogged basins of western Washington.

Raymond, S. 1973. The year of the angler. Winchester Press, Piscataway, NJ.

Sharp, B.E. 1992. Neotropical migrants in National Forests in the Pacific Northwest. Report prepared for the USDA, Forest Service, Portland, OR.

Simenstad, C. A., K. L. Fresh, and E. O. Salo. 1982. The role of Puget Sound and Washington coastal estuaries in the life history of Pacific salmon: an unappreciated function. Pages 343-364 in V. S. Kennedy, (ed). Estuarine Comparisons. Academic Press, New York.

Smith, V., and M. Anderson. 1921. A preliminary biological survey of the Skagit and Stillaguamish Rivers. School of Fisheries, UW Press, Seattle, WA.

Snohomish County Profile. 1991. Washington State employment security, Labor Market and Economic Analysis Branch. Olympia, WA.

Snohomish County Profile. 1994. Washington State employment security, Labor Market and Economic Analysis Branch. Olympia, WA.

Snohomish County. 1999. Stillaguamish watershed sub-basin population forecast (1993-2012). Snohomish County Planning and Development Services, Demography Office (analysis conducted and prepared by Steve Toy).

Snyder, R., and J. Wade. 1970. Soil resources inventory. Mt. Baker-Snoqualmie National Forest, USDA, Forest Service, internal report. 267 p.

Soil Bioengineering Corporation. 1988. Deer Creek slide mitigation strategy. Presented to Stillaguamish Tribe.

Stienbarger, D. 1995. Inventory and evaluation of livestock operations and the potential for non-point pollution in the Stillaguamish clean water district. Snohomish Conservation District, WA.

Stillaguamish Implementation Review Committee (SIRC). 1997. Reach Assessment Tables – Habitat Information and Restoration Actions. Snohomish County Surface Water Management/Stillaguamish Tribe, July 1997.

Stillaguamish Tribe of Indians. 1987. Stillaguamish native summer/fall chinook production enhancement plan. Draft internal document, December 2, 1987.

Stillaguamish Watershed Action Plan. 1990. Department of Ecology, Olympia, WA.

Swanson, F. J., L. E. Benda, S. H. Duncan, G. E. Grant, W. F. Megahan, L. M. Reid, and R. R. Ziemer. 1987. Mass failures and other processes of sediment production in Pacific Northwest forest landscapes. Pages 9-38 in E.O. Salo and T.W. Cundy, (eds). Streamside Management: Forestry and Fishery Interactions. University of Washington Institute of Forest Resources, Seattle, WA.

Swanston, D.N. 1974. Slope stability problems associated with timber harvesting in mountainous regions of the western United States. USDA, Forest Service, Gen. Tech. Rep. PNW-21, 14p.

Swanston, D.N. 1981. Effects of geology on soil mass movement activity in the Pacific Northwest. USDA, Forest Service, Pacific Northwest Range and Experiment Station, Forestry Sciences Laboratory, Corvallis, OR. p.89-115.

Swanston, D.N., and F.J. Swanson. 1976. Timber harvesting, steepland forest geomorphology in the Pacific Northwest. In: Geomorphology and engineering, Donald R. Coates, (ed.), Dowden, Hutchinson and Ross, Inc. Stroudsburg, PA. p.199-221.

Sweet-Edwards/EMCON, INC. 1991. Snohomish County groundwater characterizations study.