340 SCHOOL OF MINES LIBRARY. 



YON COTTA, Bernhard. A Treatise on Ore Deposits. Translated 



by Frederick Prime, Jr. 8vo. 511 pp. New-York, 1870. 



WHITE, J. H., and Silliman, B., Jr. Petroleum in California. A 



Brief Account of One Hundred Thousand Acres of Oil Lands 



in California. 8vo. 21 pp. New-York, 1865. 



WHITNEY J D The Metallic Wealth of the United States. 



8vo. 510 pp. Philadelphia, 1854. 



j p. The Silver Mining Regions of Colorado. 



8vo. 107 pp. New- York, 1865. 



WIBEL Ferd. Das Gediegene Kupfer und das Rothkupfererz. 

 (KuDferoxvdul.) Ein Beitrag zur Lehre den Erzlagerstatten. 



8vo. 182pp. Hamburg, 1864. 

 WOLTERS A. Das Territorium Idaho und Seine Mineralschatze. 



8vo. 8 pp. Vienna, 1873. 

 WRIGHT, O. A. On the Mineral Well at Waterloo, Wis. 



WURTS, Henry. Occurrence of Cobalt and Nickel in Gaston Co., 



N C Vol. XII., Pamphlets. Octavo series. 8vo. 7 pp. 



Report upon Grahamite. 8vo. 25 pp. New-York, 1865. 



_ Report upon a Mineral Formation in West Virginia to the 



Ritchie Mineral Resin and Oil Co. Vol. xv Pamphlets, octavo 

 8eries 8vo. 25 pp. New-York, 1865. 



ZINCKEN, C. F. Die Physiographie der Braunkohle. 



8vo. 818 pp., II. plates. Hanover, 1837. 





See also. International Exhibitions. 



Local Geology and Geognosy, p. 304. 



