{{Short description|Island in Marie Byrd Land, Antarctica}} {{About|the island in Marie Byrd Land, Antarctica|the island in British Columbia's Okanagan Lake|Grant Island (Okanagan Lake)}} {{Infobox islands | name = Grant Island | image_name = C74130s5_Ant.Map_Grant_Island.jpg | image_caption = Map of Grant Island | map = Antarctica | map_caption = Location in Antarctica | nickname = | location = [[Antarctica]] | coordinates = {{Coord|74|28|S|131|35|W|display=inline,title|name=Grant Island}} | archipelago = | area_km2 = 703 | length_km = 37 | width_km = 19 | highest_mount = | elevation_m = | population = Uninhabited | population_as_of = | density_km2 = | ethnic_groups = | country = None | treaty_system = [[Antarctic Treaty System]] }} '''Grant Island''' ({{Coord|74|28|S|131|35|W|name=Grant Island}}) is an ice-covered island, {{convert|20|nmi}} long and {{convert|10|nmi}} wide, lying {{convert|5|nmi}} east of the smaller [[Shepard Island]] off the coast of [[Marie Byrd Land]], [[Antarctica]]. Like [[Shepard Island]], Grant Island is surrounded by the [[Getz Ice Shelf]] on all but the north side.{{sfn|Alberts|1995|p=291}}
{{TOC limit|2}} ==Location== {{geogroup}} [[File:C74130s5 Ant.Map Grant Island.jpg|thumb|Shepard Island in center of map]] Grant Island is in the north, seaward edge of the [[Getz Ice Shelf]]. Reynolds Strait is on its north side, which is indented by Ledda Bay, and separates it from Forrester Island. [[Shepard Island]] is to the west. Features, from west to east, include Brookman Point, Mount Obiglio, Mount Hummel and McCarthy Point.{{sfn|Grant Island USGS}}
==Discovery and name== Grant Island was discovered and charted by personnel aboard {{USS|Glacier|AGB-4|6}} on February 4, 1962. It was named by the United States [[Advisory Committee on Antarctic Names]] (US-ACAN) for Commander E. G. Grant, Commanding Officer of USS ''Glacier'' at the time of discovery.{{sfn|Alberts|1995|p=291}}
==Features and nearby features== ===Brookman Point=== {{coord|74|19|S|131|51|W}}. The snow-covered northwest point of Grant Island. Discovered and first charted from the USS ''Glacier'' (Captain Edwin A. McDonald, [[United States Navy]]) in February 1962. Named by US-ACAN for Lieutenant Peter J. Brookman, CEC, United States Navy, Officer-in-Charge at Byrd Station, 1970.{{sfn|Alberts|1995|p=96}}
===Mount Obiglio=== {{main|Mount Obiglio}} {{coord|74|27|S|131|50|W}}. A moderate rock summit {{convert|510|m}} high in the west-central portion of Grant Island. Discovered and charted from the USS ''Glacier'' on February 4, 1962 during [[Operation Deep Freeze]] 1961-62. Named by US-ACAN for Lieutenant G.M. Obiglio, Argentine naval observer aboard the ''Glacier'', at the suggestion of the Task Unit Commander, Captain Edwin A. McDonald, United States Navy.{{sfn|Alberts|1995|p=537}}
===Mount Hummel=== {{coord|74|28|S|131|19|W}}. A snow-capped summit that rises above the east-central portion of Grant Island. Discovered and first charted from the USS ''Glacier'' on February 4, 1962. Named by US-ACAN for Lieutenant (j.g.) William T. Hummel, [[United States Navy Reserve]], helicopter pilot aboard Glacier at the time of discovery.{{sfn|Alberts|1995|p=354}}
===McCarthy Point=== {{coord|74|25|S|130|59|W}}. An ice-covered point that marks the northeast extremity of Grant Island. Discovered and charted from the USS ''Glacier'' on February 4, 1962. Named by US-ACAN for Lieutenant (j-g.) J.F. McCarthy, United States Navy, Disbursing Officer on the ''Glacier'' at the time of discovery.{{sfn|Alberts|1995|p=473}}
===Reynolds Strait === {{coord|74|15|S|132|10|W}}. A strait between Forrester Island on the north and Shepard Island and Grant Island along the edge of Getz Ice Shelf on the south. The discovery of Forrester Island from USS ''Glacier'' on February 4, 1962 simultaneously established the existence of the strait, which was then sounded. The name was applied by US-ACAN for Ralph R. Reynolds (1938-73), Lieutenant Commander, CEC, United States Navy who was Officer-inCharge of the Navy Nuclear Power Unit at [[McMurdo Station]] in 1970.{{sfn|Alberts|1995|p=615}}
===Ledda Bay=== {{coord|74|23|S|131|20|W}}. A shallow embayment or bight, {{convert|12|nmi}} long, in the north side of Grant Island. Discovered and first charted from the USS ''Glacier'' on February 4, 1962. Named for R.J. Ledda, QM3, United States Navy, quartermaster aboard the ''Glacier'' on the cruise in which the bay was discovered.{{sfn|Alberts|1995|p=525}}
===Forrester Island=== {{coord|74|09|S|132|13|W}}. An ice-capped island {{convert|3.5|nmi}} long that lies {{convert|13|nmi}} north-northeast of Shepard Island, off the Getz Ice Shelf. The island was discovered and charted from the USS Glacier on February 5, 1962. Named by US-ACAN after Lieutenant Commander John J. Forrester, United States Navy, Executive Officer aboard Glacier at the time of discovery.{{sfn|Alberts|1995|p=252}}
==References== {{Reflist|25em}}
==Sources== {{refbegin}} *{{citation|url=https://pubs.usgs.gov/fedgov/70039167/report.pdf |accessdate=2023-12-03 |edition=2 |editor-last=Alberts |title=Geographic Names of the Antarctic |editor-first=Fred G. |publisher=United States Board on Geographic Names |year=1995}} {{Include-USGov |agency=United States Board on Geographic Names}} *{{citation |url=https://commons.wikimedia.org/wiki/File:C74130s5_Ant.Map_Grant_Island.jpg |accessdate=2024-04-06 |title=Grant Island |publisher=USGS: United States Geological Survey |ref={{harvid|Grant Island USGS}} }} {{refend}} *{{Include-USGov |agency=United States Geological Survey}}
[[Category:Islands of Marie Byrd Land]]