Geological Survey of OhioNewberry, J. S. (John Strong), 1822-18921 map : col. ; 78 x 74 cm."Based on Newberry's maps of 1869 & 79."JPEGG 4081 .C5 1888 .O700326299139015091901606_0001engPublicGeological Map of OhioMapsOhioUniversity of Michigan