"Vertical section of the geological strata of Indiana from Fox River, Ill. to Oxford, O / arranged from Prof. Christy." "Vertical section of the geological strata of Indiana from the mouth of Wabash Rivir [sic] through Fort Wayne to Lake Erie.", Imprint: Cincinnati : E. Mendenhall, 1865., Scale: Scales differ.; Dimensions: 47 x 33 cm, on sheet 71 x 63 cm, Coordinates: W0880500 W0844700 N0414500 N0374600