Laserfiche WebLink
• <br /> <br />• <br />Figure 7. Surface Water Calcium <br />200 <br />1B0 <br />160 <br />190 <br />120 <br />.i <br />o, 10 0 <br />E <br />80 <br />60 <br />90 <br />20 <br />0 <br />Jan-99 <br />Jan-95 Jan-96 <br />f-TR-A -~-TR-B QTR-C QTR-D <br />Jan-97 <br />zoo <br />leo <br />160 <br />140 <br />120 <br />.i <br />o, 100 <br />E <br />8 0 ~n` _ <br />60 1V'~ <br />20 <br />0 <br />Jan-87 Jan-88 Jan-89 Jan-90 Jan-91 Jan-92 Jan-93 Jan-99 Jan-95 Jan-96 Jan-97 <br />-FTR-A -QTR-B -t-TR-C ~-TR-D <br /> <br />12 <br />