Results: 1 - 8 of 8
Dec 31, 1974
Earth Sciences Report
… bedrock. Areas where the water quality is comparatively good … glacial drift. Rapid movement of water downward is hypothesized to … of slow downward movement of water. The marine Bearpaw Formation …
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, 1975
Earth Sciences Report
Dec 31, 1974
Earth Sciences Report
Dec 31, 1955
Report
Dec 31, 1983
Bulletin
… were subject to invasion by salt water during low stage and were … presence or absence of bottom water sands. Mapping of these …
Dec 31, 1963
Bulletin