Thickness of the lower Fort Union aquifer in the Powder River structural basin

These data represent the thickness, in feet, of the lower Fort Union aquifer in the Powder River basin. The data are presented as ASCII text files that can be...本数据集表征粉河盆地（Powder River Basin）内下联合堡含水层（lower Fort Union aquifer）的厚度，单位为英尺。该数据集以美国信息交换标准代码（ASCII）文本文件格式进行存储，可用于……