00796cam a22003014a 4500 37659 AR-SsjUBGM 20251206163006.0 250720s1936 xxu 000 0 eng d AR-SsjUBGM AR-SsjUBGM eng xxu 549:552(773) Ekblaw, George E. 41658 Typical rocks and minerals in Illinois. Illinois : State Geological Survey, 1936. 79 p. : il. ; 19 cm Educational Series 3 Mineralogía Minerales Roca Illinois 41659 Libro 14 Carroll, Don L. 41660 LB cdu idgym 2004-10-01 37659 37659 0 0 cdu 0 0 GM GM 2025-12-06 Donación - Stubbe, C. 02792 0 549:552(773) EKB GM02792 2025-12-06 00:00:00 2025-12-06 LB