You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Along the road from Apatzingán to Aguililla, 21 km (by road) south-southwest of the crossing of Río Tepalcatepec Remove constraint Place: Along the road from Apatzingán to Aguililla, 21 km (by road) south-southwest of the crossing of Río Tepalcatepec