Scientific Investigations Report 2007–5102
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5102
Figure 4. Soil types in the Granger Drain and DR2 basins, Washington. Soil types based on SSURGO data (U.S. Department of Agriculture, 2005). See table 1 for an explanation of the 15 soil series combined in the “less than 2 percent” group.