Feb 12 (Reuters) - De Grey Mining Ltd DEG.AX :
* Says De Grey will continue to hold 100% of the tenements that comprise the great northern gold project
* Great northern gold project returned to De Grey
* Received formal notification from Rugby Mining that it will not be proceeding with earn in to the great northern gold project
* De grey mining -co is currently reviewing outstanding handover issues and database associated with project,will provide detailed report in due course
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