You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place SE slopes of Nevado de Colima, along a lumber rd. which ascends from a point about 11 mi. from Atenquique on the Tonila rd., heavily wooded barranca in pine forest Remove constraint Place: SE slopes of Nevado de Colima, along a lumber rd. which ascends from a point about 11 mi. from Atenquique on the Tonila rd., heavily wooded barranca in pine forest Topic Philadelphus Remove constraint Topic: Philadelphus