00756nam a22001931 4500008429399MiAaHDL20101222000000.0m d cr bn ---auaua001010s1906 nyu 000 0 eng dsdr-nnc2702409ARF4212CU(OCoLC)45144234ZCUZCU622H55Hill, Robert Thomas,1858-1941.Reports on the properties of Pinguico Mines Company in Guanajuato, Mexico, covering the geological, metallurgical, mining and milling features of these properties,by ... Robt. T. Hill ... E.A. Wiltsee ... John A. Church ... A.B. Carpenter ... J.B. Empson ... Geo. W. Bryant ...New York,The Securities Corporation, Ltd.[1906]52 p.31 cm.Mode of access: Internet.00842939920030429134722.020101222000000.020120815034843.02024-11-10T18:59:01ZSDR-NNCUNKNOWNloader.pl-001-001BKsdr-nnc2702409nnc1SDRNNCnnc1.cu55730590NNC2702409NNCNNC20241110googlennc1.cu557305901906pdbibUS bib date1 < 1931