Houston-Galveston Area Council2010-02-152010-02-151994http://hdl.handle.net/1969.3/2574743 pgs.A survey was conducted in 1993 by HGAC to determine the implementation of direct and indirect water quality protection measures. Topics including comprehensive planning, zoning, land use controls, and erosion and sediment controls were covered.water qualityflood plainslegislationerosion controlsedimentsland usesurveysagricultureBook