This report summarizes excavations conducted at Site PVN 081, located within 1km of the Late and Terminal Classic Naco Valley center of La Sierra. Most of the materials recovered here date to the Late (AD 600-800) and Terminal Classic (AD 800-1000).
Schortman, Edward Mark, "PVN OP 081 Excavation Report" (1990). Four Valleys Archive. Paper 32550.