De La Fuente Duch, Mauricio F. F. Evaluation of integrated exploration program for revitalization of old mining districts / Mauricio F. F. De La Fuente Duch - Tucson, Ariz. : University of Arizona Press, 1980 - 100 p. : ill., map ; 20 cm. Thesis (Ph.D) - University of Arizona, 1979 Bibliography : p.101-104 Subjects--Topical Terms: Mining districts--MexicoGeochemistry--Mexico