Ohio-Kentucky-Indiana Regional Council of Governments
Facility planning area evaluation for the Millville area
Highway mobile source emissions in the OKI region, 1980 & 1987
OKI regional bikeway policy
Regional economic review, 1970-1984
Regional housing policies
Regional water quality management plan
Regional water quality management program
Status of wastewater treatment plants .1 mgd or greater in Butler, Clermont, Hamilton, and Warren Counties, Ohio
The potential uses of abandoned railroad right-of-way in the OKI region