Bolivia. Instituto Geografico Militar. North Decimal Degree -11.0000. South Decimal Degree -11.1667. East Decimal Degree -68.785833. West Decimal Degree -69.0000. Alternate title: Cobija, 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.