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beach
(Encyclopedia) beach, a gently sloping zone where deposits of unconsolidated sediments are subject to wave action at the shore of an ocean or lake. Most of the sediment making up a beach is supplied…dry farming
(Encyclopedia) dry farming, farming system adopted in areas having an annual rainfall of approximately 15 to 20 in. (38.1–50.8 cm)—with much of the rainfall in the spring and early summer—where…Allegheny Plateau
(Encyclopedia) Allegheny Plateau, dissected plateau, western part of the Appalachian Mts., extending c.500 mi (800 km) SW from N Pa. to SW Va., rising to c.4,860 ft (1,480 m) at Spruce Knob, the…buffalo grass
(Encyclopedia) buffalo grass, low perennial grass (Buchloe dactyloides) of the plains regions, one of the most important range grasses. Its dense matted growth is valuable also in erosion control.…Taconic Mountains
(Encyclopedia) Taconic MountainsTaconic Mountainstəkŏnˈĭk [key], range of the Appalachian Mts., extending c.150 mi (240 km) north-south between the Green Mts. and the Hudson Valley along parts of New…stratigraphy
(Encyclopedia) stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that…Geology of the Grand Canyon: Chapter Iv. The Great Denudation.
CHAPTER III. THE TERRACES.CHAPTER V. THE TOROWEAP AND UINKARET.CHAPTER IV. THE GREAT DENUDATION.Before leaving the terraces we may with advantage pause to contemplate the great lesson in…Oroville Dam
(Encyclopedia) Oroville Dam, 770 ft (235 m) high and 7,600 ft (2,317 m) long, on the Feather River, N Calif., near the city of Oroville. The highest dam in the United States and the largest unit of…Outer Barrier
(Encyclopedia) Outer Barrier, series of sandy barrier islands or offshore bars, extending c.75 mi (120 km) along the south shore of Long Island, SE N.Y., from Rockaway Beach at the west to the east…hedge
(Encyclopedia) hedge, ornamental or protective barrier composed of shrubs or small trees growing in close rows. The plants may be allowed to grow naturally or may be trimmed to various heights and…Trending
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