PT - JOURNAL ARTICLE AU - George Mercer Dawson TI - On the earlier Cretaceous rocks of the northwestern portion of the Dominion of Canada AID - 10.2475/ajs.s3-38.224.120 DP - 1889 Aug 01 TA - American Journal of Science PG - 120--127 VI - s3-38 IP - 224 4099 - http://www.ajsonline.org/content/s3-38/224/120.short 4100 - http://www.ajsonline.org/content/s3-38/224/120.full SO - Am J Sci1889 Aug 01; s3-38