County: Butler
Site: Rossville Historic District
Address: Ross Avenue & South "B" Street
Location: 39.240890, -84.340680

County: Butler
Site: Butler County Courthouse
Address: 101 High Street
Location: 39.400356, -84.563540

County: Butler
Site: Johnny S. Black, Songwriter
Address: Riversedge Park
Location: 39.403014, -84.562419

County: Warren
Site: Thomas Corwin (1794-1865)
Address: 210 W. Main Street
Location: 39.433344, -84.211540

County: Greene
Site: Charles Young
Address: Charles Young House
Location: 39.707020, -83.890420

County: Greene
Site: Antioch College
Address: 795 Livermore Street
Location: 39.800130, -83.889850

County: Clark
Site: Pennsylvania House
Address:
Location: 39.925747, -83.832354

County: Miami
Site: Miami and Erie Canal Lock 15
Address: Canal Lock Park, 325 E Main Street
Location: 39.961677, -84.167457

County: Miami
Site: Eldean Covered Bridge
Address: Eldean Covered Bridge
Location: 40.046750, -84.130400

County: Champaign
Site: In Memory of Marion A. Ross
Address: SW corner of W. Pike Street (OH 55) and Wilson Street, on the W side of Christiansburg
Location: 40.055441, -84.029605

County: Champaign
Site: Cedar Bog Nature Preserve
Address: 980 Woodburn Road
Location: 40.055680, -83.792168

County: Warren
Site: Harveysburg
Address:
Location: 39.502537, -84.005668

County: Montgomery
Site: Dayton Masonic Temple
Address: 525 West Riverview Avenue, Dayton, OH 45405
Location: 39.765355, -84.203039

County: Montgomery
Site: Wayman Chapel African Methodist Episcopal Church
Address: Wayman Chapel AME Church
Location: 39.761770, -84.244400

County: Clark
Site: Heritage Center
Address: Heritage Center of Clark County, 117 S. Fountain Ave.
Location: 39.922872, -83.810563