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110th meridian west

Line of longitude


Line of longitude

The meridian 110° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 110th meridian west forms a great circle with the 70th meridian east.

In Canada, the meridian forms the boundary between Nunavut and the Northwest Territories north of the parallel 70° north. Originally 110°W was intended as the Fourth Meridian for the Dominion Land Survey, but because of the imperfect surveying methods of the time, the meridian was placed a few hundred metres west of this longitude. The Fourth Meridian has been the entire boundary between Alberta and Saskatchewan since 1905.

In the United States, the meridian formed the western border of the historic and extralegal Territory of Jefferson.

From pole to pole

Starting at the North Pole and heading south to the South Pole, the 110th meridian west passes through:

:{| class="wikitable plainrowheaders" ! scope="col" width="130" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes |- ! scope="row" style="background:#b0e0e6;" | Arctic Ocean |- | ! scope="row" | Canada

Northwest Territories / Nunavut border — Borden Island
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Canada

Northwest Territories / Nunavut border — Mackenzie King Island
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Canada

Northwest Territories / Nunavut border — Melville Island
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Canada

Northwest Territories / Nunavut border — Melville Island (for about 2 km)
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Canada

Northwest Territories / Nunavut border — Melville Island
! scope="row" style="background:#b0e0e6;"
-valign="top"

| ! scope="row" | Canada | Northwest Territories / Nunavut border — Victoria Island Nunavut — from on Victoria Island |- ! scope="row" style="background:#b0e0e6;" | Coronation Gulf |-valign="top" | ! scope="row" | Canada | Nunavut — Jameson Islands and the mainland Northwest Territories — from , passing through the Great Slave Lake Saskatchewan — from , passing through Lake Athabasca, around 400m east of the Alberta border |-valign="top" | ! scope="row" | United States | Montana Wyoming — from Utah — from Arizona — from |- | ! scope="row" | Mexico

Sonora — passing just west of Ciudad Obregón at
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Mexico

Baja California Sur
! scope="row" style="background:#b0e0e6;"
-
! scope="row" style="background:#b0e0e6;"
-

| ! scope="row" | Antarctica

Unclaimed territory — passing through the Walgreen Coast of Marie Byrd Land
}

References

References

  1. "What is longitude?".
  2. [https://laws-lois.justice.gc.ca/eng/regulations/SOR-98-380/page-2.html#docCont Order Respecting the First Legislative Assembly of Nunavut]
  3. [https://history.denverlibrary.org/news/literary-research/jefferson-territory-renegade-state-almost-replaced-colorado Jefferson Territory: The Renegade State that Almost Replaced Colorado]
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