Collecting and sorting lots of information abort boring in Hefei City and other data, the equal-depth map and the engineering geological zone of the red-bed of Hefei City were made.

• 搜集整理了合肥市大量的钻孔资料结合前人工作的成果，重新查明了合肥市红层分布及埋深情况，绘制了合肥市工程地质分区图。