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, 1962
Bulletin
… with the darker, deeper water carbonates. It is concluded … and III forms represent shallow-water shelf environments, possibly … II forms represent a deeper water, shelf-margin environment, …