Aden, Douglas J.; Powers, Donovan M.; Pavey, Richard R.; Jones, D. Mark; Martin, Dean R.; Angle, Michael P.(Ohio Department of Natural Resources, Division of Geological Survey, 2011)
Aden, Douglas J.; Powers, Donovan M.; Pavey, Richard R.; Jones, D. Mark; Martin, Dean R.; Shrake, Douglas L.; Angle, Michael P.(Ohio Department of Natural Resources, Division of Geological Survey, 2011)