Subsoil Moisture

I did a septic tank investigation north of Witt yesterday.  It happened to be in a soybean field so it is real crop conditions.  The topsoil ( 7 inches) was fairly dry except that the surface was damp because of 3/10ths of an inch of rain.  Subsoil moisture was excellent at a depth of 18 inches or so.  There was still a water table in one of the holes at around 54 inches deep.  The borings were on good prairie soils.