The Graphic Overlay Method

Process Map
Homepage  |  Introduction  |  Map Features  |  Feature Measurements  |  Coding
Value Added Maps  |  Elevation Maps  |  Soil Survey Maps  |  Soil Attributes
Soil Characteristics  |  Combining Strategy  |  Process Map  |  Solution Map

The sub-surface properties (characteristics) of both soils #7 and #8 are such that a septic tank absorption field is appropriate or suitable.  (colored green) 
The other soils with "moderate" or "severe" restrictions..., (yellow and red) will be eliminated from the map for clarity. 

The remaining (green) areas satisfy the criteria: "slight" risk (or better) for septic tank absorption fields.

Look at the Solution Map 

Return to the Graphic Overlay Homepage

All contents copyright (C) 1993-1998,  D. Fehler  All rights reserved.