You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place El Chivero; SW of Mexican hwy 190 near Rancho Nuevo; about 9 mi SE of Las Casas. Remove constraint Place: El Chivero; SW of Mexican hwy 190 near Rancho Nuevo; about 9 mi SE of Las Casas. Place Mexico Remove constraint Place: Mexico Topic Chusquea Remove constraint Topic: Chusquea Topic Poales Remove constraint Topic: Poales Type still image Remove constraint Type: still image