1969 Map of Chapman Coulee

About this map

The Milk River flows through the southern reach of this Valley County landscape, anchoring a complex system of drainage channels that define the local topography. This 1969 field-checked survey reveals an environment shaped by water management and resource extraction, notably centered around the Cornwell Reservoir in the north and several Gravel Pits located near the main coulee. The land is intricately carved by numerous seasonal watercourses, including Chapman Coulee, Mooney Coulee, and Richardson Coulee, which all direct runoff toward the river valley. The infrastructure of the era is represented by a persistent pipeline network and a system of improved and unimproved roads that trace the section lines. Smaller drainages like Cherry Creek and Alkali Coulee illustrate the high-relief character of the Missouri River Basin development area during the late 1960s.