They recovered in 1992. That's what got me my start there. There wasn't supposed to be any there, and they had recovered very well. They're missing from the eastern part near Leamington. That's the one part of the lake where they haven't returned. But the populations are doing better and worse from year to year, and we're still trying to find out why that cyclic loss is going on. They seem to be recovering, but they're not restored. The pattern of the mayflies there now, when we say they're there, is the complete reverse to what it was before the 1950s when we first lost them permanently.
