Results: 1 - 4 of 4
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. …
Apr 29, 1983
Open File Report
Mar 31, 2006
Geo-Note
… coal holes, a minimum of 5432 water wells and more than 18 019 … ooidal ironstone; d) 80 water wells intersected the Bad … unit or ironstone and 109 water wells intersected coal; and …
Dec 21, 1983
Open File Report
… with special emphasis on water flooding and the inadvertent … suggested that the injection of water during the operation of an …