Results: 1 - 2 of 2
Dec 31, 1979
Bulletin
… effects of mining activity on water quality vary in intensity, … occasionally exceed drinking water standards regardless of the … are well below drinking water standards. … Hackbarth, D.A. …
Dec 31, 1982
Earth Sciences Report
… springs by region, flow rate, water temperature and water chemistry. In the second … longer than in the mountains. Water quality deteriorates towards …