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A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other.
The Valley of Mexico attracted prehistoric humans because the region was rich in biodiversity and had the capacity of growing substantial crops. [4] Generally speaking, humans in Mesoamerica, including central Mexico, began to leave a hunter-gatherer existence in favor of agriculture sometime between the end of the Pleistocene epoch and the beginning of the Holocene. [11]
A valley shoulder appears at the place where the tributary flowed into the river before the glacial period. The side valley loses its height and develops into a hanging valley. In permeable rock like limestone) a side-valley becomes a gorge. In granite or other crystalline areas a waterfall may result.
The Central Valley is a broad, elongated, flat valley that dominates the interior of California, United States.It is 40–60 mi (60–100 km) wide and runs approximately 450 mi (720 km) from north-northwest to south-southeast, inland from and parallel to the Pacific coast of the state.
This is the valley with the lowest elevation in the world, beginning at −212 m (−696 ft) below sea level (BSL) and terminating at less than −400 m (−1,300 ft) BSL. On both sides, to the east and west, the valley is bordered by high, steep escarpments rising from the valley floor by between 1,200 m (3,900 ft) to 1,700 m (5,600 ft). [3]
The eastern head of the Ridge and Valley region is marked by the Great Appalachian Valley, which lies just west of the Blue Ridge. The western side of the Ridge and Valley region is marked by steep escarpments such as the Allegheny Front, the Cumberland Mountains, and Walden Ridge. The Valley and Ridge is located on the west side of the Blue ...
A view upward into a coulee in the Oldman River valley in Lethbridge, Alberta. Aside from those formed by volcanic eruptions, coulees are commonly canyons characterized by steep walls that have been shaped by erosion. These types of coulees are generally found in the northwestern United States and southwestern Canada.
'Valley of the Rebab'), [1] [2] is a historic valley surrounding Jerusalem from the west and southwest [3] that has acquired various theological connotations, including as a place of divine punishment, in Jewish eschatology. The valley surrounds the Old City of Jerusalem and the adjacent Mount Zion from the west and south.