Blake Channel

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Blake Channel is a channel in Southeast Alaska, U.S.A. It extends 19.3 kilometres (12.0 mi), separating the southeastern part of Wrangell Island from the mainland. [1] It was first traversed and charted in 1793 by James Johnstone, one of George Vancouver's officers during his 1791-95 expedition. [2]

United States federal republic in North America

The United States of America (USA), commonly known as the United States or America, is a country composed of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles, the United States is the world's third or fourth largest country by total area and is slightly smaller than the entire continent of Europe's 3.9 million square miles. With a population of over 327 million people, the U.S. is the third most populous country. The capital is Washington, D.C., and the largest city by population is New York City. Forty-eight states and the capital's federal district are contiguous in North America between Canada and Mexico. The State of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. The State of Hawaii is an archipelago in the mid-Pacific Ocean. The U.S. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones. The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries.

Wrangell Island island in the United States of America

Wrangell Island is in the Alexander Archipelago in the Alaska Panhandle of southeastern Alaska. It is 48 kilometres long and 8 to 23 kilometres wide. It has a land area of 544.03 square kilometres, making it the 29th largest island in the United States. Wrangell is separated from the mainland by the narrow Blake Channel.

James Johnstone was a British naval officer and explorer. He is noted for having served as sailing master of the armed tender HMS Chatham and later acting lieutenant during George Vancouver's 1791–1795 expedition to the Pacific Northwest. Johnstone Strait in British Columbia is named after him.

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References

Coordinates: 56°18′40″N131°59′20″W / 56.31111°N 131.98889°W / 56.31111; -131.98889

Geographic coordinate system Coordinate system

A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.