2015 Map of Cooley Draw

About this map

Three Willow Spring and the drainage of Little Lightning Cr define this high-plains landscape in Niobrara County, where the topography of the Powder River Basin is punctuated by prominent relief. The map reveals a network of erosional features and upland ridges, including the Cedar Breaks and the Hamilton Hills to the east. Modern access is traced via Twenty Mile Rd and Divide Rd, which follow the high ground between deeply incised watercourses. The local geology is expressed through distinctive landmarks such as Dumbell Rock Draw and the Horseshoe Hills, illustrating the complex drainage patterns of Spring Br Harney Cr in this corner of Wyoming. This 2015 survey provides a clear view of the section lines and township boundaries that organize this ranching and energy-producing country.