References  
1. Bullock, Peter, and Peter J. Gregory. Soils in the Urban Environment. Boston: Blackwell Scientific Publications, 1991.

2. Rimmer, D. L. Soil storage and handling. In Soils in the Urban Environment. Boston: Blackwell Scientific Publications, 1991.

3. Harris, Richard W., James R. Clark, and Nelda P. Matheny. ARBORICULTURE: Integrated Management of Landscape Trees, Shrubs, and Vines. Third Edition. Prentice Hall: Upper Saddle River, New Jersey. 1999.

4. The Relationship between Soil and Salmon - King County Solid Waste Division Organics and Composting

5. Chollak, Tracy, and Paul Rosenfeld. Guidelines for Landscaping with Compost-Amended Soils. City of Redmond Public Works, 1998. Copies available by calling project manager Phil Cohen at (425) 556-2815.

6. NRCS Watershed Science Institute. 2000. Water related best management practices in the landscape

7. Conference: The Ecology of Urban Soils

8. Craul, Philip J. "Reducing Soil Compaction." Landscape Architecture. December 1994. V.84 n.12. p34-36.

9. Smith, Karen and Peter May. "The Challenge of Urban Soils: Evaluation and Implications for tree growth." Landscape Australia. February-April 1998. V. 20 p38-42.

10. NRCS. Soil Quality - Urban Technical Note No.1: Erosion and Sedimentation on Construction Sites

11. NRCS. Soil Quality - Urban Technical Note No.2: Urban Soil Compaction

12. Allen, Stephanie M. Alderwood Soil and Earthworms: A Literature Search for the Infiltration of Stormwater. June 1995. Prepared for Philip Cohen, Public Works Department, City of Redmond, WA.