- La Piedra Histórica
- 787-821-4343, 787-821-0092FX, 787-821-1358FX
- 25 de Julio St. Guánica PR
- This stone, found when building Rt.333 in 1955, was a marker painted by the US Armed Forces (3rd Battalion, Engineers) when they entered Puerto Rico from the beaches in Guánica in 1898 during the Spanish-American War.