Note 52 — Chapter VIII
Reading edition
E. E. Free: U. S. Dept. of Agriculture, Bull. 54, 1914. Mr. Free has prepared a summary of this Bulletin which appears in The Solar Hypothesis, Bull. Geol. Sec. of Am., Vol. 25, pp. 559-562.
Reading edition
E. E. Free: U. S. Dept. of Agriculture, Bull. 54, 1914. Mr. Free has prepared a summary of this Bulletin which appears in The Solar Hypothesis, Bull. Geol. Sec. of Am., Vol. 25, pp. 559-562.