You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Along road between San Sebastián at km. 21 and km. 8, 8-18 miles NW of San Marcos; Volcán Tajumulco Remove constraint Place: Along road between San Sebastián at km. 21 and km. 8, 8-18 miles NW of San Marcos; Volcán Tajumulco