kw.\*:("GIBRALTAR MINES COMPANY")
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GIBRALTAR MINES LIMITED. 1978 ANNUAL REPORT1979; ; CAN; VANCOUVER: GIBRALTAR MINES LTD.; DA. 1979; 9 P.Miscellaneous
LONG-RANGE MINE PLANNING AT GIBRALTAR MINES LIMITED.MILNER TE.1977; C.I.M. BULL.; CANADA; DA. 1977; VOL. 70; NO 786; PP. 89-94; 11 ILL.Article