(Square in A Square, MO-79-43) N. of Frohna, Brazeau Township, Perry County, MO. Hwy C N. 0.95 miles from jct with Hwy A in Frohna, right & curves N. on PCR434 0.85 miles E. side of the road at 861. Brent Roth. (N37 39.752 W89 37.299) Photos by Jack & June Schmidt 9-9-22.