RE:RE:RE:RE:RE:Patterson Lake Depth Chart in MetersI looked at some fishing maps and shallow lake most spots with deeper pockets as can be expected.You have 3 areas of concern 1)cost of dikes, hope they never spring a leak. 2)the environmental of the open pit 3)being unconformity rock, the real possibility of a leak from underground lake source. The blueskyers don't see this ever happening but those with experience in the basin do