US 68

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Alexander W. Doniphan (Mason County, Kentucky)
Blue Licks Battlefield (Robertson County, Kentucky)
Bourbon Drive-In (Bourbon County, Kentucky)
Crawford Spring (Boyle County, Kentucky)
Early Stage-Mail Route (Mason County, Kentucky)
Hemp in Mason County (Mason County, Kentucky)
Hi-Road Drive-In (Hardin County, Ohio)
Johnston Birthplace (Mason County, Kentucky)
Joseph Desha (1768-1842) (Mason County, Kentucky)
Mail Pouch barn - MPB 17-35-01 (Fleming County, Kentucky)
MPB 17-35-01
Mail Pouch barn - MPB 35-08-16 (Brown County, Ohio)
MPB 35-08-16
Mail Pouch barn - MPB 35-08-17 (Brown County, Ohio)
MPB 35-08-17
Maysville Road (Mason County, Kentucky)
Mount Orab IOOF Hall (Brown County, Ohio)
Rock City barn - RCB 35-08-03 (Brown County, Ohio)