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Located in Series 3) Real Del Monte Mining Complex, subseries B) Correspondence. Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca) This digital image is a surrogate of an item from the José Villegas Collection on Mining. Copies of letters between Real del Monte employee William Rabling and staff of William H. Butt and Company regarding purchase of 85-inch cylinder steam engine built by Harvey and Company. Other letters deal with purchase of mercury. [Title, Date]. José Villegas Collection on Mining. MSS 758. Special Collections & Archives, UC San Diego.
Mining machinery Silver mines and mining Compañía Real del Monte y Pachuca Mexico