Datum h A = total head W.T. )h = h A - h B W.T. Impervious Soil pervious Soil h B = total head Seepage Through Porous Media.
Figure 4.1. Land use or cover in the North Central Region (NCR) of the United States. Created from the USDA NASS Cropland Data Layers (NASS 2009b). States.
1 8. Permeability (Das, chapter 7) Sections: All except 7.5, 7.6, 7.7, 7.10.
