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02h0054740 20150116135816.0 s1979 oncab frb |000|||eng | CNY200.00 NGL n-cn-on a254.1 Blackadar, Robert Gordon. Guide to authors : a guide for the preparation of geological maps and reports / by Robert Gordon Blackadar, H. Dumych, P. J Griffin. Ottawa : Energy, Mines and Resources Canada., 1979. 66 p. : ill., maps ; 26 cm. Miscellaneous report / Ontario Geological Survey ; 29 Bibliography: p. 66. Geology ; Rédaction technique. ; Geology Authorship. Maps. aGriffin, P. J. ; aDumych, H. Miscellaneous report / Ontario Geological Survey ; 29. aCN bNGL 010001 P 254.1 M68c v29 ; rCNY200.00 ; h2 wang076