Soil Absorption of Septic Tank Effluent Soils Waste Management Data and Resources IC20 Soil Absorption of Septic Tank Effluent: A Field Study of Some Major Soils in Wisconsin Bouma, J.; Ziebell, W.A.; Walker, W.G.; Olcott, P.G.; McCoy, E.; Hole, F.D.; 1972 Report: 235 p. Download Related Collections Information Circular View Information Circular