Depth to top of the Deadwood Formation

This data set is a polygon coverage created in ARC/INFO that represents the depth to the top of the Deadwood Formation below the land surface, Black Hills, South Dakota.本数据集为在ARC/INFO中创建的多边形Coverage，用于表征美国南达科他州黑山地区戴德伍德组（Deadwood Formation）顶面的地表下埋深。