Laserfiche WebLink
<br />POND 86, SULFATE <br /> <br /> <br />mg/1 <br />100 <br />90 <br />80 <br />70 <br />60 <br />50 <br />40 <br />30 <br />20 <br />10 <br />0 <br />^ M{N. <br />^ MEAN <br />^ MAX. <br /> <br />1987 1986 1985 1984 1983 <br />