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江宁县卧儿岗铁矿是一座年产四万吨地下开采的小型矿山。根据马钢设计院提交的规划设计,于一九七一年下半年开始筹建,一九七五年正式建成投产。几年来,年年超额完成国家铁矿石生产计划。至一九七八年底,共采出铁矿18万吨,为国家创造利润126万元(国家投资115万元),为发展地方钢铁工业和支援农业作出一定的贡献。马钢设计院原设计是“分段横巷采矿
Jiangling County Gou Ergang Iron Mine is an annual output of 40,000 tons of underground mining of small mines. According to the planning and design submitted by Masteel Design Institute, construction began in the second half of 1971 and officially put into operation in 1975. Over the past few years, over the completion of the national iron ore production plan. By the end of 1978, a total of 180,000 tons of iron ore were mined, creating a profit of 1.26 million yuan for the country (with a national investment of 1.15 million yuan), making a certain contribution to the development of the local steel industry and supporting agriculture. Magang Design Institute is the original design of "cross-section mining