Gilbert, G.K., 1874, On the age of the Tonto sandstones [abs.]: Philosophical Society of Washington, Bulletin, v. 1, p. 109 [Philosophical Society Washington Bulletin, v. 1, published as Smithsonian Miscellaneous Collections, 20].
Authors
Gilbert, G.K.
Publication Date
1874
Citation
Philosophical Society of Washington, Bulletin, v. 1, p. 109 [Philosophical Society Washington Bulletin, v. 1, published as Smithsonian Miscellaneous Collections, 20].
