Two Volumes - Geology Interest Field Geologists manual-(Monograph 9), Isbn 0949106186, Aussim, 2nd edition 1982 Reprint 1987, D a Berkman, 301 Pages,as new, Hardback, Owners Name on Blank end & Solutions, Minerals and Equilibria- 0877353336, R M Garrels & C L Christ (Professors of Geology), 1965, Dustjacket, as new, 450 Pages, Harper international first edition, Hardback