00955nam a2200265Ia 4500001000700000003000500007005001700012008004100029010001500070040001300085043001200098050002200110082002200132100003000154245017900184260004700363263000900410300001100419490004900430504004100479610005800520650005400578700002900632700002800661198974BIBL20160527193038.0950316s1995    cau      b   f000 0 eng    a 95012999   aDLCcDLC  an-us---00aTD233b.G465 199500a628.1/68/02872201 aGilliom, Robert J.2Local10aDesign of the national water-quality assessment programboccurrence and distribution of water-quality conditionscby Robert J. Gilliom, William M. Alley, and Martin E. Gurtz.  aSacramento, Cal.bGeological Surveyc1995.  a9503  ap. cm. 0aU.S. Geological Survey circularv11122Local  aIncludes bibliographical references.20aNational Water Quality Assessment Program U.S.2Local 0aWater qualityzUnited StatesxMeasurement.2Local10aAlley, William M.2Local10aGurtz, Martin E.2Local