2009-12-082011-12-122009-12-082011-12-121998-092009-12-0862156578http://hdl.handle.net/2152/6764engBest management practices (Pollution prevention) -- Texas -- Edwards Aquifer -- Handbooks, manuals, etc.Water quality management -- Texas -- Edwards Aquifer -- Handbooks, manuals, etc.Draft Edwards Aquifer technical guidance manual: permanent best management practicesOther