一张图纸救活一个工厂八十年代初,有关部门断定吉林省永吉县石灰厂石源枯竭、没有开发的能力与希望。当时该厂人心浮动,职工情绪低落,面临破产倒闭和即将搬迁的局面。1987年,在收集整理档案资料的过程中,发现了伪康德六年(1939年),日本地质勘探副研究官盐田勇夫所写的关于对永吉县大绥河村范家屯石灰岩调查报告和绘制的关于永吉县石灰厂石源走 A drawing saves a factory In the early 1980s, relevant departments concluded that the limestone factory in Yongji County, Jilin Province, was depleted and had no capacity and hope for development. At that time, the plant was floated and workers were in a state of depression. They faced the problem of bankruptcy and imminent relocation. In 1987, during the course of collecting and arranging archival materials, I found that in the six years of Pseudo-Kant (1939), the research report on the limestone survey of Fanjiatun limestone in Dasuihe village, Yongji County, written by Yutaka Yoshihito, associate research officer of Japan Geology Exploration, County lime stone factory away