Prehistoric Rock Art of Puerto Rico MPS (NRIS 64500764)

• Cueva del Indio (Las Piedra City)
• Cueva La Espiral (Orocovis)
• Cueva Lucero (Juana Diaz)
• Icacos Petroglyph Group (Naguabo)
• La Piedra Escrita (Jayuya City, Coabey Ward, Boqueron S)
• Quebrada Maracuto (Carolina)

National Park Service documentation: https://npgallery.nps.gov/AssetDetail/NRIS/64500764