Bolivia has a long history as a mining country. During the Colonial period, the Cerro Ricco de Potosi mine enriched the Spanish Empire with the enormous quantities of silver it produced for over four hundred years. And throughout the years of tin was often found along side the silver being mined. At the tail end of Colonial silver mining, large quantity of tin was discarded as waste. In 1865 the price of silver began declining in …showed first 75 words of 1083 total…

…showed last 75 words of 1083 total…Me Speak. New York: Monthly p., 1978, 26-27 Klein, Herbert S. Bolivia: The Evolution of Multi-Ethnic Society. 2nd ed. New York: Oxford U p., 1992. 152-179 Latin America and the Caribbean. Blouet, Brian W., Olwyn M. Blouet. A Systematic And Regional Survey. 3rd. ed. 1997 Morrison, Tony, et al. Pathways To The Gods. New York: Harper, 1978 Richardson, James B. People of The Andes. Montreal: St. Remy p., 1994 Queiser Morales, Waltraid. Bolivia: Land of Struggle. Bolder: Westview p., 1992. 51-52