一在甘肃省的西半部,自乌鞘岭以西至甘新边境,南迄祁连山、北迄龙首山、合黎山、马宗山之间的狭长地带,叫做“河西走廊”。自解放后,河西走廊的国民经济建设有着飞跃的发展,从而显示出一个非常美好而繁荣的远景。为了满足工矿企业、城市建设、农田灌溉、畜牧、铁路等方面的供水水源,以及扩大耕地面积而进行土壤改良都需要有相应的水文地质资料作为依据;因此有必要 One in the western half of Gansu Province, from the west of Wushaoling to Gansu new border, south to the Qilian Mountains, north to Longshe first, Mount Li Shan, Ma Zongshan narrow strip between, called “Hexi Corridor.” Since the liberation, the national economic development in the Hexi Corridor has made rapid progress, thus showing a very beautiful and prosperous future. In order to meet the needs of industrial and mining enterprises, urban construction, water supply for farmland irrigation, livestock husbandry, railways and so on, as well as soil improvement for expanding cultivated land area, corresponding hydrogeological data are required as basis; therefore, it is necessary