Description: Entrance to Spring Cave at Oligonunk. Cave system operated by C&0 Railroad.
Date: August 5, 1900
Source: Robert C. Ritchie via the Kenton County Library

Description: Counterfeiters Cave at Oligonunk.
Date: August 5, 1900
Source: Robert C. Ritchie via the Kenton County Library

Submitted by: Glen Haney