Eduardo Soria-Escalante 14 A geochemical study of the La Joya district by Robert Learned, Michael S. Allen...to the Point IV Mission in the American Embassy in La Paz in late January 1952 and discussions about the...Tourtelot. About the same time, city engineers in La Paz, a city that was plagued with landslides because...technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance |