Thickness of the middle Fort Union hydrogeologic unit in the Williston structural basin

These data represent the thickness, in feet, of the middle Fort Union hydrogeologic unit in the Williston structural basin. The data are presented as ASCII text files...本数据集表征威利斯顿构造盆地（Williston structural basin）内中部福特联盟水文地质单元（Fort Union hydrogeologic unit）的厚度，单位为英尺。数据以ASCII文本文件形式呈现。