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By: Johnson, J. Harlan (Jesse Harlan),Type: ArticleIn: Journal of the Washington Academy of SciencesVolume: 18Series:Issue:Date: 1925Page Range: 305--306Publication Info: Washington [etc Washington Academy of Sciences]Subjects:
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By: Johnson, J. Harlan (Jesse Harlan),Type: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 11Series:Issue: 6Date: 1966-01-07Page Range: 255--280Publication Info: London, BM(NH),Subjects: