Another widow should be open to a new session with the National Resource Conservations Service's (NRCS) Web Soil Survey. If it did not, click here. You should be taken to a map and explorer. This ...

Global map of soil moisture regimes. Developed by USDA-NRCS, Soil Survey Division, World Soil Resources, Washington, DC.

The National Cooperative Soil Survey identifies the following permeability classes based on soil texture (Table 1). These classes can be modified (qualitatively) by the degree of soil structure.