The new Ohio State Parks Passport is a handy addition to any family picnic basket, hiker‚ bag or tackle box! This full-color, 45-page booklet includes regional maps, photographs, and individual pages for all 75 state parks. It also highlights the...

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 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,...

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,...