1986 Map of Big Wall West

About this map

The Big Wall escarpment dominates this section of the Musselshell region, where the high plains transition into a landscape shaped by petroleum extraction. This 1986 record documents the Oil Field operations that define the northeastern portion of the sheet, marked by an extensive network of drill holes and a critical pipeline system. The presence of a substation and numerous industrial markings highlights the mid-century energy development that transformed this part of Montana. Beyond the industrial footprint, the natural drainage of Willow Creek and scattered Spring sites provide a contrast to the geometric lines of the resource infrastructure, offering a clear view of how land use was partitioned between natural ranching terrain and intensive energy production.