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Crickmay, C. H. (1930). The Jurassic rocks of Ashcroft, British Columbia. University of California Publications, Bulletin of the Department of Geological Sciences. 19: 23-74.
Crickmay, C. H. (1930). The Jurassic rocks of Ashcroft, British Columbia. University of California Publications, Bulletin of the Department of Geological Sciences. 19: 23-74.
