Rising oil and natural gas prices have spurred an increase in oil and gas-drilling activity in Ohio in recent years, especially wells targeting Ohio (Devonian) shale, an important oil and gas-producing reservoir. The State of Ohio Compilation of Devonian Shale Data and Investigations, 10/2007 is available on CD-ROM for $25 (plus sales tax and shipping) from the ODNR Geologic Records Center Read More »

Ohio’s mineral industries produced more than $2.6 billion for the state’s economy in 2006, according to a report issued by the ODNR Division of Geological Survey. The number represents a slight (.1 percent) decrease from 2005. Read More »

Homeowners and planners involved with development, waste disposal, transportation, and water-related activities can use the new map to see if their general area of interest is a potential karst area. Read More »

More than 30 earthquakes have occurred in and around Ohio since 2002, spurring the ODNR Division of Geological Survey to publish an updated map that pinpoints the location and approximate magnitude of these recent seismic incidents. Read More »

"Exploring the Geology of the Cincinnati/Northern Kentucky Region" is available for $10 (plus shipping) from the Ohio Geological Survey. Read More »