Manzanilla also said the mortar and pounding stones found there were made by sedentary pre-Hispanic groups, which proves that the nomads traded products with the sedentary groups.
"These activities were documented in history and we were able to corroborate it in these explorations," he said.
Archeologists would continue their research in these areas where they found the relics and where El Realito dam is being built, he added.
