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三角坪人民公社,位于陕北无定河左岸韮园清流域内外,距县城八公里,属黄土丘陵沟壑区,峁梁起伏,沟壑纵横,土松坡陡,植被不良,水土流失极为严重。全社总人口6,918人,农业劳动力2,205个,共有耕地41,245市亩,其中95%以上分布在梁峁陡坡。解放前,由于历代反动统治阶级的压迫剥削和霜、冻、风、雹、水土流失等严重的自然灾害,从而造成
Sanjiaoping People’s Commune, located in the left bank of the Wuding River in northern Shaanxi Jiuyuan Qingliu inside and outside, eight kilometers from the county seat, is a loess hill and gully area, ridge beam ups and downs, ravines aspect, steep slopes, poor vegetation, soil erosion is extremely serious. The total population of 6,918 people, 2,205 agricultural labor force, a total of 41,245 acres of arable land, of which more than 95% of the distribution in the steep slope Liang. Before the liberation, due to the oppression and exploitation by the reactionary ruling classes of all generations and the severe natural disasters such as frost, freezing, wind, hail, soil erosion and other causes,