Economic geology of the Georgetown quadrangle (together with the Empire district) Colorado / by Josiah E. Spurr and George H. Garrey: with general geology, by Sydney H. Ball

Author: Spurr, Josiah Edward, 1870-1950
Published: Washington : Govt. Print. Off, 1908.
Physical Description: 422 pages : illustrations, LXXXVII plate (part folded, including maps, plans) diagrams ; 29 x 23 cm.
Additional Creators: Garrey, G. H. (George H.), 1886- and Ball, Sydney H. (Sydney Hobart)