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Major Droughts
1930sMany states: longest drought of 20th century. Peak periods were 1930, 1934, 1936, 1939, and 1940. During 1934, dry regions stretched solidly from N.Y. and Pa. across the Great Plains to…drought
(Encyclopedia) drought, abnormally long period of insufficient rainfall. Drought cannot be defined in terms of inches of rainfall or number of days without rain, since it is determined by such…Droughts and Heat Waves
The biggest droughts and heat waves since the 1930s 1930s Many states: longest drought of the 20th century.…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…Poopó
(Encyclopedia) PoopóPoopópōˌōpōˈ [key], salt lake, on the high plateau of W Bolivia. It is more than 11,000 ft (3,353 m) above sea level. Although it is Bolivia's second largest lake (965 sq mi/2,499…orchard grass
(Encyclopedia) orchard grass or cocksfoot, widely distributed perennial grass (Dactylis glomerata) native to Eurasia and N Africa and extensively naturalized in the United States. It is cultivated as…rainmaking
(Encyclopedia) rainmaking, production of rain by artificial means now generally disregarded, though it is probable that rainmaking hastens or increases rainfall from clouds suitable for natural…Bermuda grass
(Encyclopedia) Bermuda grass, perennial pasture, lawn, and hay grass (Cynodon dactylon) of the family Poaceae (grass family), native to Africa and Asia and now common in warm regions of both…Rio Grande, river, United States and Mexico
(Encyclopedia) Rio GrandeRio Granderēˈō grănd, rēˈō gränˈdē [key], river, c.1,885 mi (3,000 km) long, rising in SW Colo. in the San Juan Mts. and flowing south through the middle of N.Mex., past…Kountché, Seyni
(Encyclopedia) Kountché, SeyniKountché, Seynisānēˈ k&oomacr;nchāˈ [key], 1931–87, president of Niger (1974–87). He was army chief of staff when he ousted Hamani Diori, Niger's first president, in…Trending
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