Results: 1 - 4 of 4
Dec 31, 1990
Open File Report
… In general, from a coal resource/exploration point of view, the map … examined. Additional coal exploration and coal quality data … mapping and mechanical exploration programs are required …
Dec 31, 1990
Open File Report
… of the map area a reasonable exploration database exists and … examined from a coal resource/exploration point of view. …
Dec 31, 1990
Open File Report
… In general, from a coal resource/exploration point of view, the map … examined. Additional coal exploration and coal quality data …
Dec 31, 1994
Bulletin
… Li exceeding specified regional exploration thresholds. The 5280 … components xceeding the detailed exploration thresholds (Ca 60 000 … of exceeding the detailed exploration threshold for element …