WHAT DOES THIS MEAN?

• IT IS UNCLEAR WHICH BENCHMARK WAS USED IN 1976 AT THE DAM TO ESTABLISH THE WATER HEIGHT

• WE DO KNOW THAT BENCHMARK 1069-A AT THE DAM WAS WRONG IN THE 1975 SURVEY

• WE DO KNOW THAT THE CHAPMAN CREEK BENCHMARK IS THE ONLY CORRECT ORIGINAL BENCHMARK REMAINING FROM 1976

• WE DO KNOW THAT ALL OF THE GAUGES HAVE BEEN CHANGED SINCE 1976

• WE DO KNOW THAT THE CERTIFIED BENCHMARKS THAT WE NOW HAVE ARE CORRECT AND ARE ON FILE WITH THE STATE OF WISCONSIN