2011 Map of Humbolt Hills

About this map

The Humbolt Hills provide the defining elevation in this corner of Carter County, Montana, just west of the South Dakota border. This landscape is characterized by a high-plains water management network, where numerous small-scale reservoirs like Ernest Wallstein Dam, Holsti Dam, and Scoria Dam have been constructed to capture runoff in a semi-arid environment. These features, along with the Evenson North Irrigation Dam, illustrate the critical importance of water storage for local agriculture and livestock. The area is drained by Boxelder Creek and Stony Creek, while the presence of Mill Iron Rd in the southwest corner connects the remote terrain to the wider region. The map captures the intersection of natural drainage and human engineering at the start of the 21st century.