au.\*:("BALL NL")
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AN EVALUATION OF SURFACE GEOCHEMICAL PROSPECTING FOR PETROLEUM, CAROLINE AREA, ALBERTA.MCCROSSAN RG; BALL NL.1971; CAN. INST. MING METALL., SPEC. VOL; CAN; 1971, VOL. 11, P. 529 A 536Miscellaneous
STRATIGRAPHY OF COMINCO POTASH SHAFT NO 1. VANSCOY, SASKATCHEWANPRICE LL; BALL NL.1973; GEOL. SURV. CANADA, PAPER; CANADA ; 1973, NUM. 0072-0011, P. 1 A 155Serial Issue
