paragraph_text: Even at high latitudes, glacier formation is not inevitable. Areas of the Arctic, such as Banks Island, and the McMurdo Dry Valleys in Antarctica are considered polar deserts where glaciers cannot form because they receive little snowfall despite the bitter cold. Cold air, unlike warm air, is unable to transport much water vapor. Even during glacial periods of the Quaternary, Manchuria, lowland Siberia, and central and northern Alaska, though extraordinarily cold, had such light snowfall that glaciers could not form.

paragraph_text: On Earth, 99% of glacial ice is contained within vast ice sheets in the polar regions, but glaciers may be found in mountain ranges on every continent except Australia, and on a few high-latitude oceanic islands. Between 35°N and 35°S, glaciers occur only in the Himalayas, Andes, Rocky Mountains, a few high mountains in East Africa, Mexico, New Guinea and on Zard Kuh in Iran. Glaciers cover about 10 percent of Earth's land surface. Continental glaciers cover nearly 13,000,000 km2 (5×10^6 sq mi) or about 98 percent of Antarctica's 13,200,000 km2 (5.1×10^6 sq mi), with an average thickness of 2,100 m (7,000 ft). Greenland and Patagonia also have huge expanses of continental glaciers.

paragraph_text: The North Pole is the northernmost point on the Earth, lying diametrically opposite the South Pole. It defines geodetic latitude 90 ° North, as well as the direction of true north. At the North Pole all directions point south; all lines of longitude converge there, so its longitude can be defined as any degree value. Along tight latitude circles, counterclockwise is east and clockwise is west. The North Pole is at the center of the Northern Hemisphere.

paragraph_text: East Africa or Eastern Africa is the easterly region of the African continent, variably defined by geography or geopolitics. In the United Nations Statistics Division scheme of geographic regions, 20 territories constitute Eastern Africa:

paragraph_text: The Birbir River of southwestern Ethiopia is a tributary of the Baro River, which it creates when it joins the Gebba at latitude and longitude . It is politically important because its course defines part of the boundary between the Mirab Welega and Illubabor Zones of the Oromia Region.

paragraph_text: Wilkins Runway is a single runway aerodrome operated by Australia, located on upper glacier of the ice sheet Preston Heath, Budd Coast, Wilkes Land, on the continent of Antarctica, but southeast of the actual coast. It is named after Sir Hubert Wilkins, a pioneer of Antarctic aviation and exploration.

paragraph_text: Balladonia Land District is a land district (cadastral division) of Western Australia mostly within the Eucla Land Division. It spans roughly 31°50'S - 32°40'S in latitude and 123°10'E - 124°00'E in longitude.

paragraph_text: Yahtse Glacier is a 40-mile-long (64 km) glacier in the U.S. state of Alaska. It begins on the southeast slope of Mount Miller and trends southeast along the north border of Guyot Glacier to Icy Bay, just east of Guyot Hills and 70 miles (113 km) northwest of Yakutat. The western extent is an icefield. The name derives from the Yahtse River and was adopted after the retreat of Guyot Glacier resulted in a separate branch.

paragraph_text: The Ordovician Period started at a major extinction event called the Cambrian-Ordovician extinction events some time about 485.4 ± 1.9 Ma. During the Ordovician the southern continents were collected into a single continent called Gondwana. Gondwana started the period in the equatorial latitudes and, as the period progressed, drifted toward the South Pole. Early in the Ordovician the continents Laurentia, Siberia and Baltica were still independent continents (since the break-up of the supercontinent Pannotia earlier), but Baltica began to move toward Laurentia later in the period, causing the Iapetus Ocean to shrink between them. Also, Avalonia broke free from Gondwana and began to head north toward Laurentia. The Rheic Ocean was formed as a result of this. By the end of the period, Gondwana had neared or approached the pole and was largely glaciated.

paragraph_text: Lambert Glacier is a major glacier in East Antarctica. At about 60 miles (100 km) wide, over 250 miles (400 km) long, and about 2,500 m deep, it holds the Guinness world record for the world's largest glacier. It drains 8% of the Antarctic ice sheet to the east and south of the Prince Charles Mountains and flows northward to the Amery Ice Shelf. It flows in part of Lambert Graben and exits the continent at Prydz Bay.

paragraph_text: The Schneestock is a mountain of the Urner Alps, located on the border between the Swiss cantons of Valais and Uri. It lies north of the Dammastock, between the Rhone Glacier and the Damma Glacier.

paragraph_text: Within a species not all populations may be migratory; this is known as "partial migration". Partial migration is very common in the southern continents; in Australia, 44% of non-passerine birds and 32% of passerine species are partially migratory. In some species, the population at higher latitudes tends to be migratory and will often winter at lower latitude. The migrating birds bypass the latitudes where other populations may be sedentary, where suitable wintering habitats may already be occupied. This is an example of leap-frog migration. Many fully migratory species show leap-frog migration (birds that nest at higher latitudes spend the winter at lower latitudes), and many show the alternative, chain migration, where populations 'slide' more evenly north and south without reversing order.

paragraph_text: The climate of Chile comprises a wide range of weather conditions across a large geographic scale, extending across 38 degrees in latitude, making generalizations difficult. According to the Köppen system, Chile within its borders hosts at least seven major climatic subtypes, ranging from low desert in the north, to alpine tundra and glaciers in the east and southeast, humid subtropical in Easter Island, Oceanic in the south and Mediterranean climate in central Chile. There are four seasons in most of the country: summer (December to February), autumn (March to May), winter (June to August), and spring (September to November).

paragraph_text: The Supporters Range () is a rugged range of mountains in Antarctica, 40 km long, bordering the eastern side of Mill Glacier, from Keltie Glacier in the north to Mill Stream Glacier in the south.

paragraph_text: The Bach quadrangle encompasses the south polar part of Mercury poleward of latitude 65° S. It is named for Baroque composer Johann Sebastian Bach (1685-1750).

paragraph_text: New claims on Antarctica have been suspended since 1959 although Norway in 2015 formally defined Queen Maud Land as including the unclaimed area between it and the South Pole. Antarctica's status is regulated by the 1959 Antarctic Treaty and other related agreements, collectively called the Antarctic Treaty System. Antarctica is defined as all land and ice shelves south of 60° S for the purposes of the Treaty System. The treaty was signed by twelve countries including the Soviet Union (and later Russia), the United Kingdom, Argentina, Chile, Australia, and the United States. It set aside Antarctica as a scientific preserve, established freedom of scientific investigation and environmental protection, and banned military activity on Antarctica. This was the first arms control agreement established during the Cold War.

paragraph_text: Guinea-Bissau is bordered by Senegal to the north and Guinea to the south and east, with the Atlantic Ocean to its west. It lies mostly between latitudes 11° and 13°N (a small area is south of 11°), and longitudes 13° and 17°W.

paragraph_text: The Silurian is a major division of the geologic timescale that started about 443.8 ± 1.5 Ma. During the Silurian, Gondwana continued a slow southward drift to high southern latitudes, but there is evidence that the Silurian ice caps were less extensive than those of the late Ordovician glaciation. The melting of ice caps and glaciers contributed to a rise in sea levels, recognizable from the fact that Silurian sediments overlie eroded Ordovician sediments, forming an unconformity. Other cratons and continent fragments drifted together near the equator, starting the formation of a second supercontinent known as Euramerica. The vast ocean of Panthalassa covered most of the northern hemisphere. Other minor oceans include Proto-Tethys, Paleo-Tethys, Rheic Ocean, a seaway of Iapetus Ocean (now in between Avalonia and Laurentia), and newly formed Ural Ocean.

paragraph_text: Debeli Namet is a small glacier below the mountain of Šljeme () in the Durmitor massif, Montenegro. This glacier exists well below the true snowline and is sustained by avalanching snow. Results of recent investigations on the Debeli Namet glacier have been published by a British scientist (Hughes 2007). The Debeli Namet glacier is not quite the southernmost glacier in Europe, as this status currently goes to the Snezhnika glacier (latitude of 41°46′09″ N)followed by Banski Suhodol Glacier also in Pirin mountain in Bulgaria and the Calderone Glacier in Italy.

paragraph_text: Holoviak Glacier () is a glacier flowing west into the head of Mendelssohn Inlet, facing towards the Wilkins Ice Shelf on the north side of the Beethoven Peninsula, lying in the southwestern portion of Alexander Island, Antarctica. It was mapped by the United States Geological Survey from U.S. Navy aerial photographs taken 1967–68 and from Landsat imagery taken 1972–73, and was named by the Advisory Committee on Antarctic Names for Judy C. Holoviak, technical editor, 1964–77, of the Antarctic Research Series, published by the American Geophysical Union, and director of publications for the Union from 1978.

Question: What latitude is defined as being the border of the continent where Holoviak Glacier is located?
Answer: south of 60° S