Results: 1 - 2 of 2
Dec 31, 1976
Economic Geology Report
… concentration in any subsurface water. … Hitchon, B. … Levinson, …
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. …