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...

by Mark E. Wolfe, Brittany D. Parrick, and J. D. Stucker Guidebook 23 provides readers with a terrific tool to explore the region known as the "Little Smokies" — Shawnee State Park and State Forest. This guidebook is designed for a broad...

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...

by Keith A. Milam Guidebook 22 offers a useful tool to aid anyone in exploring what is now known as the Serpent Mound Impact Structure. The name derives from the Paleo-Indian effigy mound in the shape of a snake, located...

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,...

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,...

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,...

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...

by Gregory A. Schumacher, Brian E. Mott, and Michael P. Angle Written for a wide audience — from students and amateur geologists to experienced geoscience and engineering professionals — Information Circular (IC) 63 details the state's surficial deposits and near-surface bedrock units....

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...

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!