Roy H. Bowman, United States. Soil Conservation Service, United States. Forest Service. uplands and have slopes of 2 to 50 percent. The elevation ... The next layer is light-gray, mildly alkaline, calcareous heavy sandy loam about 5 inches thick. The substratum is ... Diablo clay, 30 to 50 percent slopes (DaF).--This soil is anbsp;...
Title | : | Soil survey, San Diego area, California |
Author | : | Roy H. Bowman, United States. Soil Conservation Service, United States. Forest Service |
Publisher | : | - 1973 |
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