38 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



BOLIVIA (Continued) 



147. . Railway and mining development in Bolivia. 



Eng. Mg. Journ., Vol. 82, 1906, New York, p. 2, map of S. Bolivia. 



" Tin mines of the country are undoubtedly destined to become one of the 

 world's chief sources of supply. Already the Bolivians aspire to the premier place 

 in tin production. The conditions under which this metal is found show wide 

 differences, but it is found throughout a large area, and is undoubtedly abundant." 



148. . Tin in Bolivia. 



Eng. Mg. Journ., Vol. 82, 1906, New York, p. 631. 



The prevalent idea that tin ore is superficial in Bolivia, only time will prove 

 or disprove. If there is no notable increase for some time in the output of Bolivian 

 tin, it will not be through want of ore in lodes, but through scarcity of labor. 



148a. . Produccion de estafio en 1906 y 1907. 



Oeol. Minas, Vol. 2, 1907-1908, Buenos Aires, p. 6.30. 

 Gives Bolivian production of tin for years 1906 and 1907. 



148b. . The mining industries of Bolivia. 



Journ. Soc. Arts, Vol. 57, 1909, London, pp. 721-722. 



Reprint: Mg. AVorld, Vol. 31, 1909, Chicago, p. 923. 



Treats of the Bolivian tin output, market, machinery used, etc. 



148c. . The tin mines of Huaniini and Uncia, Bolivia. 



Mg. Journ. Railw. Comm. Gaz., Vol. 87, 1909, London, p. 125. 

 Alistract from " El Comercio " (r.Cuni, Bolivia). 



Gives brief notes regarding output and improvements in the various mines of 

 Huanuni and Uncia. 



148d. . Tin Mining in Bolivia. 



Eng. Mg. Journ., Vol. 88, 1909, New York, p. 1284. 



Extract from undesignated British consular report, giving the total production 

 of barilla during 1908 as follows: Potosi, 18,139 tons; Oruro, 9620 tons; La Paz, 2C0S 

 tons; Cochabamba, 170 tons. Total, 29,937. 



148e. . La produccion de estafio en Bolivia. 



Cicnc. Indust., Vol. 3, 1909, Buenos Aires, p. 209. 



148f. . Bolivia in 1909. 



Mg. Journ. Railw. Comm. Gaz., Vol. 88, 1910, London, p. 1.36. 

 Short account of the tin output for 1909, showing an increase over the production 

 of 1908. 



149. Arzruni, a. Ueber einige Mineralien aus Bolivia. 



Zeitschr. Kryst. Min.,-Vol. 9, 1884, Leipzig, pp. 73-77. 



Review: Neues Jahrb. Min., 1886, I (Ref.), Stuttgart, pp. 198-199. 



150. Baixivian, M. v., and Sa.wedka, Bautista. El estano en Bolivia. Mono- 



grafias de la industria minera. No. 3. 



Oficina nacional de immigraciSn, estadistica, etc., 1900, La Paz, pp. 133. 



151. Bakba, Alvaro Alonso. Arte de los Metales. 



ALidrid, 1630, chap. 32. 



Ref. from Frochot, L'ttain in Bolivie, Ann. Mines, .ser. 9, A'ol. 19, 1901, Paris, 

 p. 187. 



" G"est encore aujourd'hui une autorite en mati^re de mines, et ses indications 

 s.ur la gfographie niinifre de la Bolivie ont 4te tr^s rarement reconnues inexactes." 



Not available to the authors. 



