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Feb 28, 1986
Open File Report
… computer database and a suite of maps was generated outlining the … aspect of the coal zones. Geological knowledge about the … information on the coals of this geological unit becomes available. …
Feb 28, 1986
Open File Report
… coal are present in three geological units: the Ardley coal … and include sets of resource maps and representative … of 'inferred resources'. The Geological Survey of Canada regards …