![Economic Geology of the Georgetown Quadrangle Together with the Empire District Colorado by Josiah E[dward] Spurr and George H. Garrey with Gen. Geology by Sidney H. Ball PDF](https://books.google.com/books/content/images/frontcover/VfKmPgAACAAJ?fife=w150-h200)
Author: Josiah Edward SpurrPublisher:
ISBN:
Category :
Languages : en
Pages : 422
Book Description
Economic Geology of the Georgetown Quadrangle Together with the Empire District Colorado by Josiah E[dward] Spurr and George H. Garrey with Gen. Geology by Sidney H. Ball PDF Download
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Author: Josiah Edward SpurrPublisher:
ISBN:
Category :
Languages : en
Pages : 422
Book Description
![Economic Geology of the Georgetown Quadrangle Together with the Empire District Colorado by Josiah E[dward] Spurr and George H. Garrey with Gen. Geology by Sidney H. Ball PDF](https://books.google.com/books/content/images/frontcover/VfKmPgAACAAJ?fife=w80-h100)
Author: Josiah Edward Spurr![Contributions to Economic Geology, 1902, [by] S.F. Emmons [and] C.W. Hayes, Geologists in Charge. [U.S. Geological Survey Bulletin No. 213. Series A, Economic Geology, 24.]. PDF](https://books.google.com/books/content/images/frontcover/oGhQzQEACAAJ?fife=w80-h100)
Author: United States. Congress. House![Contributions to Economic Geology, 1905, [by] S.F. Emmons, E.C. Eckel, Geologists in Charge. [U.S. Geological Survey Bulletin No. 285. Series A, Economic Geology, 73.]. PDF](https://books.google.com/books/content/images/frontcover/_pf0wQEACAAJ?fife=w80-h100)
Author: United States. Congress. House
Author: William Harvey Emmons
Author: ![Contributions to Economic Geology, 1903. S.F. Emmons, C.W. Hayes, Geologists in Charge. [U.S. Geological Survey Bulletin No. 225. Series A, Economic Geology, 33.]. PDF](https://books.google.com/books/content/images/frontcover/u8v5wQEACAAJ?fife=w80-h100)
Author: United States. Congress. House
Author: 
Author: 
Author: Heinrich Ries
Author: Charles Henry Richardson