depth of drain
71Well drainage — means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity. Contents 1 Introduction 2 Design 3 Flow to wells 4 …
722010 Canterbury earthquake — For the severe aftershock of 22 February 2011, see 2011 Christchurch earthquake. 2010 Canterbury earthquake …
73.hack (video game series) — hack Developer(s) CyberConnect2 Publisher(s) Bandai Games …
74volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …
75Swimming pool — A swimming pool, swimming bath, wading pool, or simply a pool, is an artificially enclosed body of water intended for swimming or water based recreation. There are many standard sizes; the largest and deepest is the Olympic size. A pool can be… …
76climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
77Pacific Ocean — an ocean bordered by the American continents, Asia, and Australia: largest ocean in the world; divided by the equator into the North Pacific and the South Pacific. 70,000,000 sq. mi. (181,300,000 sq. km); greatest known depth, 35,433 ft. (10,800… …
78Yangtze River — Chinese Chang Jiang or Ch ang Chiang River, China. Rising in the eastern Kunlun Mountains in western China, it flows southeast, continuing east across Yunnan province and then across the rest of south central China to the East China Sea near… …
79River Parrett — Geobox River name = River Parrett native name = other name = other name1 = image size = image caption = River Parrett near Burrowbridge etymology = The barge river from Latin paradie barse country = England country1 = state = Dorset state1 =… …
80Mekong — River (Mae Nam Khong) Megaung Myit, แม่น้ำโขง (Maenam Khong), Mékôngk, Tonle Thom, Cửu Long, Mê Kông, 湄公 (Méigōng) …
