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The boundary between Asia and Europe is unusual among continental boundaries because of its largely mountain-and-river-based characteristics north and east of the Black Sea. Asia and Europe are considered separate continents for historical reasons; the division between the two goes back to the early Greek geographers .
A map of North America's physical, political, and population characteristics as of 2018. North America is a continent [b] in the Northern and Western Hemispheres. [c] North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean.
The rest of the southerly margin which extends east to the Mid-Atlantic Ridge and marks the boundary between the North American plate and the South American plate is vague but located near the Fifteen-Twenty fracture zone around 16°N. On the northerly boundary is a continuation of the Mid-Atlantic Ridge called the Gakkel Ridge.
North America is a continent [1] in the Earth's Northern and Western Hemispheres. It is bordered on the north by the Arctic Ocean , on the east by the North Atlantic Ocean , on the southeast by the Caribbean Sea , and on the south and west by the North Pacific Ocean ; South America lies to the southeast.
The Continental Divide in North America in red and other drainage divides in North America The Continental Divide in Central America and South America. The Continental Divide of the Americas (also known as the Great Divide, the Western Divide or simply the Continental Divide; Spanish: Divisoria continental de las Américas, Gran Divisoria) is the principal, and largely mountainous ...
The Discovery of North America (1972) R. C. West et al., Middle America: Its Lands and Peoples (3d ed. 1989) T. L. McKnight, Regional Geography of the United States and Canada (1992) S. Birdsall, Regional Landscapes of the United States and Canada (4th rev. ed. 1992) T. Flannery, The Eternal Frontier: An Ecological History of North America and ...
The metes and bounds system was used to describe a town of a generally rectangular shape, 4 to 6 miles (6.4 to 9.7 km) on a side. Within this boundary, a map or plat was maintained that showed all the individual lots or properties. There are some difficulties with this system: Irregular shapes for properties make for much more complex descriptions.
Exclusive economic zone maritime boundaries in the Caribbean Sea and equatorial Atlantic Ocean EEZ maritime boundaries in the Pacific Ocean. The United States has land borders with Canada to the North, and Mexico to the South and a maritime boundary with Russia to the West, as well as maritime boundaries with several countries of the extensive exclusive economic zone (EEZ).