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Online Books by

United States. Forest Service. Watershed Systems Development Group

Books from the extended shelves:

• United States. Forest Service. Watershed Systems Development Group: Estimating soil erosion using an erosion bridge (USDA Forest Service, Watershed Systems Development Group, 1983), also by Darlene G. Blaney and Gordon Warrington (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: Growth-limiting soil bulk densities as influenced by soil texture (Watershed Systems Development Group, USDA Forest Service, 1983), also by Richard L. Daddow and Gordon Warrington (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: Integrating soil and water resource objectives into the forest plan, in concept (Watershed Systems Development Group, USDA Forest Service, 1981), also by Owen R. Williams and Gordon Warrington (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: A procedure to determine if mine spoils will reach a downslope stream channel (Watershed Systems Development Group, USDA Forest Service, 1982), also by Owen R. Williams (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: Soil horizon depth correction based on slope gradient (USDA Forest Service, Watershed Systems Development Group, 1981), also by Gordon Warrington (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: Statistical analysis using SAS at the USEPA National Computer Center (Watershed Systems Development Group, USDA Forest Service, 1981), also by James B. Ingwersen (page images at HathiTrust)
• United States. Forest Service. Watershed Systems Development Group: Statistical analysis using SPSS at the USDA-Fort Collins Computer Center (USDA Forest Service, Watershed Systems Development Group, 1981), also by James B. Ingwersen (page images at HathiTrust)

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