Geological Chemistry of the Y. N. P. Contributions to the, [27].

43. Geological History of the Y. N. P. Arnold Hague. Transactions American Institute of Mining Engineers, vol. xvi, 1888. Also in Smithsonian Report for 1892, p. 133.

44. Geological Reconnaissance in North-western Wyoming. George Homans Eldridge. Bulletin 119, United States Geological Survey. Washington: Government Printing Office. 1894.

45. Geology of Western Wyoming. Theo. B. Comstock. American Journal of Science. 3d series, vol. vi, p. 426.

Geyser Deposits, Analyses of, [4].

Geyserland, Pilgrimage to, [86].

Geysers, Action of, [1].

46. Geysers and how they are explained. Joseph Le Conte. Popular Science Monthly, vol. xii, p. 407.

47. Geysers, Comparisons of. A. C. Peale. Science, vol. ii, p. 101.