You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Sierra Madre Occidental, about 80 km. west of C. Durango, north of Coyotes R.R. Station; Plateau 8 miles north of Coyotes. Remove constraint Place: Sierra Madre Occidental, about 80 km. west of C. Durango, north of Coyotes R.R. Station; Plateau 8 miles north of Coyotes.