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Cook Inlet

May 06, 2023

This article is about the body of water. For other uses, see Cook Inlet (disambiguation).
"Tikahtnu" redirects here. For the shopping center, see Tikahtnu Commons.

Cook Inlet (Tanaina: Tikahtnu; Sugpiaq: Cungaaciq) stretches 180 miles (290 km) from the Gulf of Alaska to Anchorage in south-central Alaska.[1] Cook Inlet branches into the Knik Arm and Turnagain Arm at its northern end, almost surrounding Anchorage. On its southern end, it merges with Shelikof Strait, Stevenson Entrance, Kennedy Entrance and Chugach Passage.[2]

Cook Inlet
Tikahtnu, Cungaaciq
The navigational light at the southwestern tip of Elizabeth Island demarcates the boundary between Cook Inlet and the Gulf of Alaska
Coordinates: 60°20′16″N 151°52′30″W / 60.33778°N 151.87500°W / 60.33778; -151.87500Coordinates: 60°20′16″N 151°52′30″W / 60.33778°N 151.87500°W / 60.33778; -151.87500
LocationSouth-central Alaska
Offshore water bodiesKnik River, Little Susitna River, Susitna River, Matanuska River
Area
 • Total100,000 km2 (39,000 sq mi)
Dimensions
 • Length180 miles
Cook Inlet, showing Knik and Turnagain Arms

The Cook Inlet watershed is the most populated watershed in Alaska. The watershed covers about 100,000 km2 (39,000 sq mi) of southern Alaska, east of the Aleutian Range, south and east of the Alaska Range, receiving water from its tributaries, the Knik River, the Little Susitna River, and the Susitna and Matanuska rivers. The watershed includes the drainage areas of Denali (formerly named Mount McKinley). Within the watershed there are several national parks and the active volcano Mount Redoubt, along with three other historically active volcanoes.[3] Cook Inlet provides navigable access to the port of Anchorage at the northern end, and to the smaller Homer port further south. Before the growth of Anchorage, Knik was the destination for most marine traffic in upper Cook Inlet. Approximately 400,000 people live within the Cook Inlet watershed.

Geography

 
Cook Inlet seen from Clam Gulch

The Cook Inlet region contains active volcanoes, including Augustine Volcano and Mount Redoubt. Volcanic eruptions in the region have been associated with earthquakes and tsunamis, and debris avalanches have resulted in tsunamis also.[4] There was an earthquake of the magnitude of 7.1 on December 31, 1901 generated by an eruption that caused several tsunamis.[5] In 2009 a lahar from Mt. Redoubt threatened the Drift River oil terminal.

History

The inlet was first explored and settled by Dena'ina people. In the 18th century, Russian fur hunters (promyshlenniki) were among the first European visitors. The Lebedev Lastochkin Company leader Stepan Zaikov established a post at the mouth of the Kenai River, Fort Nikolaev, in 1786. These fur trappers used Siberian Native and Alaska Native people, particularly Aleuts from the Aleutian Islands and Koniag natives from Kodiak, to hunt for sea otters and other marine mammal species for trade with China via Russia's then-exclusive inland port of trade at Kiakhta.

Other Europeans to visit Cook Inlet include the 1778 expedition of James Cook, its namesake, who sailed into it while searching for the Northwest Passage. Cook received maps of Alaska, the Aleutians, and Kamchatka during a visit with Russian fur trader Gerasim Izmailov in Unalaska, and combined these maps with those of his expedition to create the first Mercator projection of the North Pacific. The inlet was named after Cook in 1794 by George Vancouver, who had served under Cook in 1778. Turnagain Arm was named by William Bligh of HMS Bounty fame. Bligh served as Cook's Sailing Master on his 3rd and final voyage, the aim of which was discovery of the Northwest Passage.

Upon reaching the head of Cook Inlet, Bligh was of the opinion that both Knik Arm and Turnagain Arm were the mouths of rivers and not the opening to the Northwest Passage. Under Cook's orders Bligh organized a party to travel up Knik Arm, which quickly returned to report Knik Arm indeed led only to a river.

Afterwards a second party was dispatched up Turnagain Arm and it too returned to report only a river lay ahead. As a result of this frustration the second body of water was given the disingenuous name "Turn Again". Early maps label Turnagain Arm as the "Turnagain River".

 
Fox River delta at low tide in Kachemak Bay

The S.S. Farallon was a wooden Alaskan Steamship Company liner that struck Black Reef in the Cook Inlet on January 5, 1910.[6] All thirty-eight men on board survived, and were rescued twenty-nine days later. Few white people visited upper Cook Inlet until construction of the Alaska Railroad along the eastern shores of Turnagain Arm and Knik Arm of Cook Inlet around 1915. The natives of the Eklutna village are the descendants of the residents of eight native villages around upper Cook Inlet.

During the 1964 Alaska earthquake, areas around the head of Turnagain Arm near Girdwood and Portage dropped as much as 8 feet (2.4 m) by subsidence and subsequent tidal action. Both hamlets were destroyed. Girdwood was later relocated inland and Portage was abandoned. About 20 miles (32 km) of the Seward Highway sank below the high-water mark of Turnagain Arm; the highway and its bridges were raised and rebuilt in 1964–66.

Communities

Most of Alaska's population is in the Cook Inlet area, with highest concentration in Anchorage. Along the East side of the Cook Inlet, the Kenai Peninsula is host to many smaller fishing communities, such as Kenai, Soldotna, Ninilchick, Anchor Point and Homer. Many residents of the Kenai rely on income generated from fisheries in the Cook Inlet. The west side of the Inlet is not connected to any major road systems and is typically accessed by boat or plane. Here you can find the village of Tyonek, Alaska, some oil camps, and many seasonal fishing camps.

Resources

 
Oil Rig and Packraft on Cook Inlet

The Cook Inlet Basin contains large oil and gas deposits including several offshore fields.[7] As of 2005 there were 16 platforms in Cook Inlet, the oldest of which is the XTO A platform first installed by Shell in 1964, and newest of which is the Osprey platform installed by Forest Oil in 2000. Most of the platforms are operated by Union Oil, which was acquired by Chevron in 2005. There are also numerous oil and gas pipelines running around and under the Cook Inlet. The main destinations of the gas pipelines are to Kenai where the gas is primarily used to fuel commercial fertilizer production and a liquified natural gas (LNG) plant and to Anchorage where the gas is consumed largely for domestic uses.[8]

Alaska has approximately half the known coal reserves in the U.S. For decades, there has been a proposal to build a large coal mine (the Chuitna Coal Mine) on the west side of Cook Inlet near the Chuitna River, and the native village of Tyonek, Alaska. American Rivers has placed the Chuitna River on its list of the 10 most endangered rivers for 2007, based on the threat of this mine.[9]

 
The bore appears as a wall of turbulent water

Turnagain Arm is one of only about 60 bodies of water worldwide to exhibit a tidal bore. The bore may be more than six feet high and travel at 15 miles per hour on high spring tides and opposing winds. Turnagain Arm sees the largest tidal range in United States, with a mean of 30 feet (9.2 m), and the fourth highest in the world, behind Bay of Fundy (11.7m), Ungava Bay (9.75m), and Bristol Channel (9.6m).[10] The ocean's natural 12-hour 25-minute tidal cycle is close to Turnagain Arm's natural resonance frequency, which then reinforces the tide similar to water sloshing in a bathtub. Tidal fluctuations in the main body of Cook Inlet, while not as extreme as the shallow and narrow Turnagain Arm, regularly reach 25 feet (7.6 m) or more and exhibit currents in excess of 5 knots (9.3 km/h) at full tidal flow. The inlet and its arms have been proposed as a potentially attractive site for the generation of tidal power.[11][12]

 
The mouth of Turnagain Arm at low tide in winter; thousands of icebergs lie stranded on vast plains of glacial silt

Turnagain Arm and Knik Arm are known for large areas of silt. At low tide, much of this is exposed, making marine navigation difficult. Historically, ships and boats designed for the area had a relatively flat bottom with a modest centerboard and absence of a large keel because the boats would occasionally become beached at low tide either on purpose or by accident. This design allowed the craft to support its weight on land without sustaining any serious damage to its structure. An example of this design is the Nomad, a much photographed fishing boat once owned by Joe Reddington which has sat on a mudflat near Knik for several decades.

These mudflats can also be dangerous to walk on, exhibiting quicksand-like characteristics, and have claimed the life of at least two people who have wandered out on them.[13][14]

Cruise ships dock at Seward on the Gulf of Alaska or Whittier in Prince William Sound and transport passengers via bus or train to Anchorage. However, over 95% of freight entering Alaska comes through the Port of Anchorage, which is served by major container ship companies and other carriers.

Conservation

 
View across Cook Inlet at low tide from downtown Anchorage, Alaska (September 2005)

The Cook Inlet beluga whale is a genetically distinct and geographically isolated stock.[15] The population fell to 278 in 2005 and it is listed as critically endangered in the IUCN Red List of Threatened Species.[16] This was perhaps due to local hunt, although a recent article in the Anchorage Daily News questioned this conclusion.[17]

In 2000, the US National Marine Fisheries Service listed the Cook Inlet beluga whale population as depleted and began development of a conservation plan. On October 22, 2008 the Cook Inlet beluga whale was put onto the endangered species list.[18]

Cook Inlet activities include commercial fishing, oil and gas development, release of treated sewage, noise from aircraft and ships, shipping traffic, and tourism. However, it is not known what impact these activities had on the beluga whale population.

The Coastal Marine Institute at the University of Alaska Fairbanks's School of Fisheries and Ocean Sciences working with the U.S. Department of the Interior's Minerals Management Service (MMS), began a three-year project in 2003 focusing on the water circulation in Cook Inlet.[19]

Cook Inletkeeper, a member of the Waterkeeper Alliance, began in 1994 when a group of Alaskans became concerned about the rapid ecological changes in the inlet. The group formally incorporated the following year using settlement proceeds from a Clean Water Act lawsuit against Cook Inlet oil and gas producers.[20] Their stated mission is to "protect Alaska's Cook Inlet watershed and the life it sustains," with a focus on clean water, healthy habitat, local economies, and energy. They are based in Homer.[21]

See also

 
Cook Inlet seen from the mouth of Kachemak Bay, with Mount Iliamna in the background

Notes

 
Wikimedia Commons has media related to Cook Inlet.
  1. ^ . Archived from the original on June 11, 2007. Retrieved 2007-02-03.
  2. ^ United States Coast Pilot 9. "Coast Pilot 9 – 33rd Edition, 2015". Office of Coast Survey. page 182. Retrieved 28 November 2015.
  3. ^ "Cook Inlet-South Central Alaska map and volcano list". Alaska Volcano Observatory. Retrieved 2007-02-03.
  4. ^ . Archived from the original on 2007-02-04. Retrieved 2007-02-03.
  5. ^ "Historic Earthquakes – Cook Inlet, Alaska". Retrieved 2007-02-03.
  6. ^ Lloyd, Steve K. . WSU Press. Archived from the original on 28 July 2011. Retrieved 10 June 2011.
  7. ^ "Cook Inlet Oil and Gas". Retrieved 2007-02-03.
  8. ^ . agrium.com. Archived from the original on October 14, 2006. Retrieved 2007-02-03.
  9. ^ . inletkeeper.org. Archived from the original on July 1, 2007. Retrieved 2007-05-13.
  10. ^ "Frequently Asked Questions – Tide Predictions and Data". NOAA. Retrieved 2008-09-10.
  11. ^ . Ocean Energy Council. Archived from the original on 2008-05-13. Retrieved 2008-11-11.
  12. ^ Salequazzaman, M.; Newman, Peter; Ellery, Mark; Corry, Brendan. (PDF). Murdoch University, Perth, Western Australia: Journal of Bangladesh Studies. Archived from the original (PDF) on 15 February 2012. {{cite journal}}: Cite journal requires |journal= (help)
  13. ^ Lemagie, Sarah (May 5, 2005). . Anchorage Daily News. Archived from the original on May 5, 2005.
  14. ^ Michelle Theriault Boots (June 25, 2013). . Anchorage Daily News. Archived from the original on February 1, 2014.
  15. ^ "Management and Recovery of Cook Inlet Beluga Whales". NOAA Fisheries. Retrieved 2007-02-03.
  16. ^ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2018-10-28.
  17. ^ Nmfs.Noaa.gov
  18. ^ Fakr.noaa.gov
  19. ^ "Water and Ice Dynamics in Cook Inlet, Alaska". Retrieved 2007-02-03.
  20. ^ "Cook Inletkeeper - History". Cook Inletkeeper. 24 March 2017. Retrieved 2018-07-30.
  21. ^ "Cook Inletkeeper - Our Work". Cook Inletkeeper. 22 March 2017. Retrieved 2018-07-30.

External links

May 06, 2023
cook, inlet, this, article, about, body, water, other, uses, disambiguation, tikahtnu, redirects, here, shopping, center, tikahtnu, commons, tanaina, tikahtnu, sugpiaq, cungaaciq, stretches, miles, from, gulf, alaska, anchorage, south, central, alaska, branche. This article is about the body of water For other uses see Cook Inlet disambiguation Tikahtnu redirects here For the shopping center see Tikahtnu Commons Cook Inlet Tanaina Tikahtnu Sugpiaq Cungaaciq stretches 180 miles 290 km from the Gulf of Alaska to Anchorage in south central Alaska 1 Cook Inlet branches into the Knik Arm and Turnagain Arm at its northern end almost surrounding Anchorage On its southern end it merges with Shelikof Strait Stevenson Entrance Kennedy Entrance and Chugach Passage 2 Cook Inlet Tikahtnu CungaaciqThe navigational light at the southwestern tip of Elizabeth Island demarcates the boundary between Cook Inlet and the Gulf of AlaskaCoordinates 60 20 16 N 151 52 30 W 60 33778 N 151 87500 W 60 33778 151 87500 Coordinates 60 20 16 N 151 52 30 W 60 33778 N 151 87500 W 60 33778 151 87500LocationSouth central AlaskaOffshore water bodiesKnik River Little Susitna River Susitna River Matanuska RiverArea Total100 000 km2 39 000 sq mi Dimensions Length180 milesCook Inlet showing Knik and Turnagain Arms The Cook Inlet watershed is the most populated watershed in Alaska The watershed covers about 100 000 km2 39 000 sq mi of southern Alaska east of the Aleutian Range south and east of the Alaska Range receiving water from its tributaries the Knik River the Little Susitna River and the Susitna and Matanuska rivers The watershed includes the drainage areas of Denali formerly named Mount McKinley Within the watershed there are several national parks and the active volcano Mount Redoubt along with three other historically active volcanoes 3 Cook Inlet provides navigable access to the port of Anchorage at the northern end and to the smaller Homer port further south Before the growth of Anchorage Knik was the destination for most marine traffic in upper Cook Inlet Approximately 400 000 people live within the Cook Inlet watershed Contents 1 Geography 2 History 3 Communities 4 Resources 5 Conservation 6 See also 7 Notes 8 External linksGeography Edit Cook Inlet seen from Clam Gulch The Cook Inlet region contains active volcanoes including Augustine Volcano and Mount Redoubt Volcanic eruptions in the region have been associated with earthquakes and tsunamis and debris avalanches have resulted in tsunamis also 4 There was an earthquake of the magnitude of 7 1 on December 31 1901 generated by an eruption that caused several tsunamis 5 In 2009 a lahar from Mt Redoubt threatened the Drift River oil terminal History Edit Turnagain Arm The inlet was first explored and settled by Dena ina people In the 18th century Russian fur hunters promyshlenniki were among the first European visitors The Lebedev Lastochkin Company leader Stepan Zaikov established a post at the mouth of the Kenai River Fort Nikolaev in 1786 These fur trappers used Siberian Native and Alaska Native people particularly Aleuts from the Aleutian Islands and Koniag natives from Kodiak to hunt for sea otters and other marine mammal species for trade with China via Russia s then exclusive inland port of trade at Kiakhta Other Europeans to visit Cook Inlet include the 1778 expedition of James Cook its namesake who sailed into it while searching for the Northwest Passage Cook received maps of Alaska the Aleutians and Kamchatka during a visit with Russian fur trader Gerasim Izmailov in Unalaska and combined these maps with those of his expedition to create the first Mercator projection of the North Pacific The inlet was named after Cook in 1794 by George Vancouver who had served under Cook in 1778 Turnagain Arm was named by William Bligh of HMS Bounty fame Bligh served as Cook s Sailing Master on his 3rd and final voyage the aim of which was discovery of the Northwest Passage Upon reaching the head of Cook Inlet Bligh was of the opinion that both Knik Arm and Turnagain Arm were the mouths of rivers and not the opening to the Northwest Passage Under Cook s orders Bligh organized a party to travel up Knik Arm which quickly returned to report Knik Arm indeed led only to a river Afterwards a second party was dispatched up Turnagain Arm and it too returned to report only a river lay ahead As a result of this frustration the second body of water was given the disingenuous name Turn Again Early maps label Turnagain Arm as the Turnagain River Fox River delta at low tide in Kachemak Bay The S S Farallon was a wooden Alaskan Steamship Company liner that struck Black Reef in the Cook Inlet on January 5 1910 6 All thirty eight men on board survived and were rescued twenty nine days later Few white people visited upper Cook Inlet until construction of the Alaska Railroad along the eastern shores of Turnagain Arm and Knik Arm of Cook Inlet around 1915 The natives of the Eklutna village are the descendants of the residents of eight native villages around upper Cook Inlet During the 1964 Alaska earthquake areas around the head of Turnagain Arm near Girdwood and Portage dropped as much as 8 feet 2 4 m by subsidence and subsequent tidal action Both hamlets were destroyed Girdwood was later relocated inland and Portage was abandoned About 20 miles 32 km of the Seward Highway sank below the high water mark of Turnagain Arm the highway and its bridges were raised and rebuilt in 1964 66 Communities EditMost of Alaska s population is in the Cook Inlet area with highest concentration in Anchorage Along the East side of the Cook Inlet the Kenai Peninsula is host to many smaller fishing communities such as Kenai Soldotna Ninilchick Anchor Point and Homer Many residents of the Kenai rely on income generated from fisheries in the Cook Inlet The west side of the Inlet is not connected to any major road systems and is typically accessed by boat or plane Here you can find the village of Tyonek Alaska some oil camps and many seasonal fishing camps Resources Edit Oil Rig and Packraft on Cook Inlet The Cook Inlet Basin contains large oil and gas deposits including several offshore fields 7 As of 2005 there were 16 platforms in Cook Inlet the oldest of which is the XTO A platform first installed by Shell in 1964 and newest of which is the Osprey platform installed by Forest Oil in 2000 Most of the platforms are operated by Union Oil which was acquired by Chevron in 2005 There are also numerous oil and gas pipelines running around and under the Cook Inlet The main destinations of the gas pipelines are to Kenai where the gas is primarily used to fuel commercial fertilizer production and a liquified natural gas LNG plant and to Anchorage where the gas is consumed largely for domestic uses 8 Alaska has approximately half the known coal reserves in the U S For decades there has been a proposal to build a large coal mine the Chuitna Coal Mine on the west side of Cook Inlet near the Chuitna River and the native village of Tyonek Alaska American Rivers has placed the Chuitna River on its list of the 10 most endangered rivers for 2007 based on the threat of this mine 9 The bore appears as a wall of turbulent water Turnagain Arm is one of only about 60 bodies of water worldwide to exhibit a tidal bore The bore may be more than six feet high and travel at 15 miles per hour on high spring tides and opposing winds Turnagain Arm sees the largest tidal range in United States with a mean of 30 feet 9 2 m and the fourth highest in the world behind Bay of Fundy 11 7m Ungava Bay 9 75m and Bristol Channel 9 6m 10 The ocean s natural 12 hour 25 minute tidal cycle is close to Turnagain Arm s natural resonance frequency which then reinforces the tide similar to water sloshing in a bathtub Tidal fluctuations in the main body of Cook Inlet while not as extreme as the shallow and narrow Turnagain Arm regularly reach 25 feet 7 6 m or more and exhibit currents in excess of 5 knots 9 3 km h at full tidal flow The inlet and its arms have been proposed as a potentially attractive site for the generation of tidal power 11 12 The mouth of Turnagain Arm at low tide in winter thousands of icebergs lie stranded on vast plains of glacial silt Turnagain Arm and Knik Arm are known for large areas of silt At low tide much of this is exposed making marine navigation difficult Historically ships and boats designed for the area had a relatively flat bottom with a modest centerboard and absence of a large keel because the boats would occasionally become beached at low tide either on purpose or by accident This design allowed the craft to support its weight on land without sustaining any serious damage to its structure An example of this design is the Nomad a much photographed fishing boat once owned by Joe Reddington which has sat on a mudflat near Knik for several decades These mudflats can also be dangerous to walk on exhibiting quicksand like characteristics and have claimed the life of at least two people who have wandered out on them 13 14 Cruise ships dock at Seward on the Gulf of Alaska or Whittier in Prince William Sound and transport passengers via bus or train to Anchorage However over 95 of freight entering Alaska comes through the Port of Anchorage which is served by major container ship companies and other carriers Conservation Edit View across Cook Inlet at low tide from downtown Anchorage Alaska September 2005 The Cook Inlet beluga whale is a genetically distinct and geographically isolated stock 15 The population fell to 278 in 2005 and it is listed as critically endangered in the IUCN Red List of Threatened Species 16 This was perhaps due to local hunt although a recent article in the Anchorage Daily News questioned this conclusion 17 In 2000 the US National Marine Fisheries Service listed the Cook Inlet beluga whale population as depleted and began development of a conservation plan On October 22 2008 the Cook Inlet beluga whale was put onto the endangered species list 18 Cook Inlet activities include commercial fishing oil and gas development release of treated sewage noise from aircraft and ships shipping traffic and tourism However it is not known what impact these activities had on the beluga whale population The Coastal Marine Institute at the University of Alaska Fairbanks s School of Fisheries and Ocean Sciences working with the U S Department of the Interior s Minerals Management Service MMS began a three year project in 2003 focusing on the water circulation in Cook Inlet 19 Cook Inletkeeper a member of the Waterkeeper Alliance began in 1994 when a group of Alaskans became concerned about the rapid ecological changes in the inlet The group formally incorporated the following year using settlement proceeds from a Clean Water Act lawsuit against Cook Inlet oil and gas producers 20 Their stated mission is to protect Alaska s Cook Inlet watershed and the life it sustains with a focus on clean water healthy habitat local economies and energy They are based in Homer 21 See also Edit Cook Inlet seen from the mouth of Kachemak Bay with Mount Iliamna in the background Alaska Wildlife Conservation Center Augustine Volcano Kalgin Island Knik Arm Bridge Lake Clark National Park Captain Cook State Recreation AreaNotes Edit Wikimedia Commons has media related to Cook Inlet Cook Inlet Alaska Archived from the original on June 11 2007 Retrieved 2007 02 03 United States Coast Pilot 9 Coast Pilot 9 33rd Edition 2015 Office of Coast Survey page 182 Retrieved 28 November 2015 Cook Inlet South Central Alaska map and volcano list Alaska Volcano Observatory Retrieved 2007 02 03 Augustine Cook Inlet Alaska Archived from the original on 2007 02 04 Retrieved 2007 02 03 Historic Earthquakes Cook Inlet Alaska Retrieved 2007 02 03 Lloyd Steve K The Farallon Shipwreck Project WSU Press Archived from the original on 28 July 2011 Retrieved 10 June 2011 Cook Inlet Oil and Gas Retrieved 2007 02 03 Kenai Alaska plant agrium com Archived from the original on October 14 2006 Retrieved 2007 02 03 Chuitna Coal Mine inletkeeper org Archived from the original on July 1 2007 Retrieved 2007 05 13 Frequently Asked Questions Tide Predictions and Data NOAA Retrieved 2008 09 10 Tidal Energy Ocean Energy Council Archived from the original on 2008 05 13 Retrieved 2008 11 11 Salequazzaman M Newman Peter Ellery Mark Corry Brendan Prospects of electricity from tidal power in coasl regions of Bangladesh PDF Murdoch University Perth Western Australia Journal of Bangladesh Studies Archived from the original PDF on 15 February 2012 a href Template Cite journal html title Template Cite journal cite journal a Cite journal requires journal help Lemagie Sarah May 5 2005 Unusual Turnagain Arm tide has attractions and dangers Anchorage Daily News Archived from the original on May 5 2005 Michelle Theriault Boots June 25 2013 Man who died on mud flats was Army attorney outdoorsman Anchorage Daily News Archived from the original on February 1 2014 Management and Recovery of Cook Inlet Beluga Whales NOAA Fisheries Retrieved 2007 02 03 The IUCN Red List of Threatened Species IUCN Red List of Threatened Species Retrieved 2018 10 28 Nmfs Noaa gov Fakr noaa gov Water and Ice Dynamics in Cook Inlet Alaska Retrieved 2007 02 03 Cook Inletkeeper History Cook Inletkeeper 24 March 2017 Retrieved 2018 07 30 Cook Inletkeeper Our Work Cook Inletkeeper 22 March 2017 Retrieved 2018 07 30 External links EditUnited States Alaska South Coast Barren Islands National Ocean Service United States Alaska South Coast Cook Inlet Anchor Point to Kalgin Island National Ocean Service Map of Cook Inlet oil and gas activity Alaska Department of Natural Resources Retrieved from https en wikipedia org w index php title Cook Inlet amp oldid 1145359685, wikipedia, wiki, book, books, library,

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