Cartago is a small hamlet on US 395 in Inyo County on the west shore of Owens Lake. While once an import shipping point for the Cerro Gordo Mines, when Owens Lake was "wet".
The plaque reads
In the 1870's bullion bars from Cerro Gordo mines were hauled across Owens Lake on the steamer "Bessie Brady" to Cartago Boat Landing. Remi Nadeau's 14 mule teams hauled the bullion to Los Angeles, returning with freight.
Dedicated June 10, 1978
Slim Princess Chapter 395
E Clampus Vitus