"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.Dimensions: maps : photocopy, 76 x 73 cm. or smaller.JPEGG4091.C5 1865 .S29engMendenhall, EdwardPublicGeologyGeological map of IndianaMapsIndiana1865Indiana University