Bob Debus in Sydney Morning Herald An experimental bore in the Leonay area near Penrith was producing water that was very turbid, not contaminated, but muddy,Mr Debus told ABC radio. "The environment and conservation department was worried that too much of that water was...
John Wesley Powell in USA Today Floods ...... have brought down great quantities of mud, making (the river) exceedingly turbid,Powell wrote on Aug. 16, 1869, as he navigated the canyon.