黄河中下游地质大队于六月中旬开始进行查勘,经过三个多月的努力,至九月十三日胜利完成七千七百九十六平方公里的查勘任务。在查勘过程中,完全遵照了苏联的先进测量细则及操作方法,认真的贯彻了「质量第一」的要求,并在工作中开展了社会主义劳动竞赛,推行了流水作业法,自始至终的保证了质量,提高效率。在设备简陋的情况 The middle and lower reaches of the Yellow River geophysical unit started its survey in mid-June. After more than three months of hard work, it successfully completed the survey of 7,796 square kilometers on September 13. In the course of the survey, it fully complied with the Soviet Union’s advanced measurement rules and methods of operation, earnestly implemented the requirements of “quality first”, carried out a socialist labor contest in its work, promoted the water-flowing operation law and guaranteed it from beginning to end Quality, improve efficiency. In the case of crude equipment