Climatic Changes: Their Nature and Causes

by Ellsworth Huntington; Stephen Sargent Visher

[49] R. D. Salisbury: Physiography, 1919.

[50] Griffith Taylor: Australian Meteorology, 1920, p. 283.

[51] J. D. Whitney: Climatic Changes of the Later Geological Times, 1882.

[52] 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.

[53] G. K. Gilbert: Lake Bonneville; Monograph 1, U. S. Geol. Surv.

[54] C. E. P. Brooks: Quart. Jour. Royal Meteorol. Soc., 1914, pp. 63-66.

[55] H. J. L. Beadnell: A. Egyptian Oasis, London, 1909.

Ellsworth Huntington: The Libyan Oasis of Kharga; Bull. Am. Geog. Soc., Vol. 42, Sept., 1910, pp. 641-661.

[56] S. S. Visher: The Bajada of the Tucson Bolson of Southern Arizona; Science, N. S., Mar. 23, 1913.

Ellsworth Huntington: The Basins of Eastern Persia and Seistan, in Explorations in Turkestan.