Introducing the ODNR 75th Anniversary Edition Ohio State Parks Passport! This comprehensive passport is a must-have for every adventurer, nature enthusiast, and explorer across Ohio. Whether you're planning a family picnic, gearing up for a hike, or packing your tackle...

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...

This downloadable booklet includes coloring sheets and guessing-game word scrambles for 10 of Ohio's most popular spring wildflowers, including the State Wildflower, the tr— oops, almost gave one answer away! Click here to get your Free Digital Copy today!

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...