You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Mex. Hwy. 80, 10.3 to 16 mi. SW of Autlán on forested slopes below Puerto de los Mazos Remove constraint Place: Mex. Hwy. 80, 10.3 to 16 mi. SW of Autlán on forested slopes below Puerto de los Mazos