References  
 
Johnson, A. W. and J. M. Stypula. Eds. 1993. Guidelines for Bank Stabilization Projects in the Riverine Environments of King County. King County Department of Public Works, Surface Water Management Division, Seattle, WA.

Gray, D. and Sotir, R., 1996. Biotechnical & Soil Bioengineering Slope Stabilization: A Practical Guide for Erosion Control, John Wiley and Sons

Dunne, T., and Leopold, L., 1978, Water in Environmental Planning, The W. H. Freeman Compnay, New York

Engineering News Record, 1925. “Protecting Steep Banks by Planting Live Willow Poles”, 94(20):822-823