Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.
Ponds are affected more than other bodies of wate.r
( z1 affect :ARG1 ( z2 pond ) :ARG1-of ( z3 have-quant :ARG3 ( z4 more ) :ARG4 ( z5 body :mod ( z6 water ) :mod ( z7 other ) ) ) )