Inter American Geodetic Survey. North Decimal Degree -20.166667. South Decimal Degree -20.333333. East Decimal Degree -68.250000. West Decimal Degree -68.500000. Alternate title: Estancia Laqueca, 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 key to abbreviations.