edited by Rodney M. Feldmann and Merrianne Hackathorn Bulletin 70: Fossils of Ohio covers all major groups and some minor groups of Ohio fossils and is written for both the beginner and the professional. The bulletin overviews the state's geology...

Get your Dunk on! This super-soft t-shirt features Ohio's official State Fossil Fish, Dunkleosteus terrelli ("the Dunk"). Made using a cotton/poly fabric in charcoal gray. Adult sizes are available in S through 3XL. Youth sizes are available in XS through...

by Ernest H. Carlson Bulletin 69: Minerals of Ohio (2nd edition) is designed for a wide audience, from rock hounds to experienced mineralogists and examines 55 mineral species found throughout the state. The hard-cover book features a beautiful fluorite specimen,...

by C. E. Sherman This book comprises the final report by C. E. Sherman as part of the Ohio Cooperative Topographic Survey. It details the various systems of surveying employed in Ohio to define land boundaries. The book is of...

Designed for young learners, the 24-page book provides information and activities on the geology of Ohio from the Ordovician Period through the Ice Age. Activities include mazes, word searches, fill-in-the-blanks, connect-the-dots, and scenes for coloring. Topics include rocks and minerals,...

by J. McDonald, J. G. Wells, J. W. Wright, C. D. Steck, L. H. Wickstrom, B. D. Gara, and L. V. Nguyen Ohio was the first state whose lands were subdivided by the federal government and sold off or given...

Poster illustrated by Madison Perry This gorgeous poster features meticulously detailed hand illustrations of fossils found in the Columbus Limestone — a prominent rock unit used to build the Ohio Statehouse. Many of the fossils are represented as both actual specimens...

by Douglas L. Crowell Bulletin 72 traces the development of Ohio's coal-mining industry from the knowledge of coal by Ohio's earliest settlers to the impact of the Clean Air Act Amendments of 1990 and clean-coal technology. Over 200 historic photographs,...

Posters illustrated by Kyle HartshornOur newest posters help bring to life part of Ohio’s ancient past—a span of about 450 million years—and to explain how the Ohio we see today was shaped by dynamic geologic forces.Ohio's story begins in the...

by R. R. Pavey, R. P. Goldthwait, C. S. Brockman, D. N. Hull, E. M. Swinford, and R. G. Van horn The Quaternary Geology of Ohio map depicts the geologic units grouped by age (Holocene through Pre-Illinoian), depositional process (water-deposited,...

by E. R. Slucher, E. M. Swinford, G. E. Larsen, G. A. Schumacher, D. L. Shrake, C. L. Rice, M. R. Caudill, and R. G. Rea Map BG-1, along with associated text and figures, reveals the characteristics and distribution of...

by D. Mark Jones This guidebook to the geology of the Ohio State Parks in the Lake Erie region describes the geological features of state parks to tell key parts of the history of the lake's formation and Ohio's geological...