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A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A river gives the inhabitants a reliable source of water for drinking and agriculture. Some other possible benefits for the inhabitants are fishing, fertile soil due to annual flooding, and ease of transportation.
This river may predate the break-up of western Gondwana as an extension of a proto-Congo river system, 200 Mya during the Jurassic. Ohio: 3~2.5 Mississippi River: Formed when the Laurentide Ice Sheet dammed the north flowing Teays River during the Pre-Illinoian glaciation. The drainage area of the Teays could no longer drain to the north, and ...
Following is a list of rivers of classical antiquity stating the Latin name, the equivalent English name, and also, in some cases, Greek and local name. The scope is intended to include, at least, rivers named and known widely in the Roman empire.
The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...
A map-like representation of a mountain, river, valleys and routes around Pavlov in the Czech Republic, carved on a mammoth tusk, that has been dated to 25,000 BC. [1] An Aboriginal Australian cylcon that may be as much as 20,000 years old that is thought to depict the Darling River. [2]
The bedrock under Toronto has several dips believed to be carved by the Laurentian River. [7] The Laurentian Channel, 25–30 km wide in some areas, 100 km long, and greater than 100 m deep, still lacks data regarding its total size and sediments, relying on well sites for information.
A buried valley is an ancient river or stream valley that has been filled with glacial or unconsolidated sediment. [1] This sediment is made up of predominantly gravel and sand, with some silt and clay. These types of sediments can often store and transmit large amounts of groundwater and act as a local aquifer.
The Indus Valley Civilisation was roughly contemporary with the other riverine civilisations of the ancient world: Ancient Egypt along the Nile, Mesopotamia in the lands watered by the Euphrates and the Tigris, and China in the drainage basin of the Yellow River and the Yangtze. By the time of its mature phase, the civilisation had spread over ...