North Decimal Degree -18.500000. South Decimal Degree -18.666667. East Decimal Degree -69.000000. West Decimal Degree -69.050000. Alternate title: Cerro Chilliri, Bolivia. Relief shown by 20 m. contour interval and spot heights. Universal transverse Mercator projection. Standard map series designation: Serie H731=[Series] H731. With a list of abbreviations.