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Published online by Cambridge University Press: 01 May 2009
1 Geol. Mag., lxxxv, p. 242.Google Scholar
2 Geol. Mag., p. 183.Google Scholar
3 “The Ideal Geological Map,” The Advancement of Science, v, no. 18, p. 141, 1948.Google Scholar
4 Geol. Mag., lxxxiv, p. 171.Google Scholar