Appletons' Popular Science Monthly, February 1900, Vol. 56, November, 1899 to April, 1900

Note G — A CENTURY OF GEOLOGY.A By Prof. JOSEPH LE CONTE.

Reading edition

Pratt, Philosophical Magazine, vol. ix, p. 231, 1855; vol. x, p. 340, 1855; vol. xvi, p. 401, 1858.

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