Ballestilla Reef

Antarctic reef

62°44′05″S 61°31′46″W / 62.73472°S 61.52944°W / -62.73472; -61.52944ArchipelagoSouth Shetland IslandsArea0.38 ha (0.94 acres)Length160 m (520 ft)Width40 m (130 ft)AdministrationAdministered under the Antarctic TreatyDemographicsPopulationuninhabited

Topographic map of Livingston, Greenwich, Robert, Snow and Smith Islands

Ballestilla Reef (Bulgarian: риф Балестиля, romanized: rif Ballestilla, IPA: [ˈrif bɐlɛˈstilʲɐ]) is the 160 m long in southeast–northwest direction and 40 m wide flat and rocky low-tide elevation off the northwest coast of Snow Island in the South Shetland Islands, Antarctica. Its surface area is 0.38 ha. The vicinity was visited by early 19th century sealers.^[1]

The feature is named after the geodetic instrument ballestilla, also known as Jacob's staff or cross-staff; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.

Location

Ballestilla Reef is located at 62°44′05″S 61°31′46″W / 62.73472°S 61.52944°W / -62.73472; -61.52944,^[2] which is 2.25 km northwest of Byewater Point. Bulgarian mapping in 2009.

Maps

South Shetland Islands. Scale 1:200000 topographic map. DOS 610 Sheet W 62 60. Tolworth, UK, 1968
L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010. ISBN 978-954-92032-9-5 (First edition 2009. ISBN 978-954-92032-6-4)
Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated

Notes

^ L. Ivanov. General Geography and History of Livingston Island. In: Bulgarian Antarctic Research: A Synthesis. Eds. C. Pimpirev and N. Chipev. Sofia: St. Kliment Ohridski University Press, 2015. pp. 17–28
^ Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission