Inter American Geodetic Survey. North Decimal Degree -15.833333. South Decimal Degree -16.000000. East Decimal Degree -69.000000. West Decimal Degree -69.250000. Alternate title: Isla del Sol, Bolivia. Relief shown by 20 m. contour interval and spot heights. Universal transverse Mercator projection. Standard map series designation: Serie H731=[Series] H731. Withkey to abbreviation used in map.