Geologic structure-contours for the top of the Inyan Kara Formation in the Black Hills Area, South Dakota

This data set represents geologic structure contours for the top of the Inyan Kara Group, Black Hills, South Dakota.本数据集展示了南达科他州布莱克山地区因扬卡拉群（Inyan Kara Group）顶部的地质构造等值线。