2024 Map of Willow Creek Dam

About this map

Water management in Big Horn County defines this section of the Crow Indian Reservation, where the Lodge Grass Storage Reservoir serves as a central hub for a complex network of irrigation infrastructure. This modern survey illustrates how various waterways are diverted through engineered channels like the Lodge Grass Feeder Canal and Lodge Grass Canal Number Two to support agriculture in this semi-arid landscape. Local family names are preserved in the naming of critical infrastructure, such as the William Miller Ditch and Robert Miller Ditch, reflecting the history of ranching and land use in the region. The drainage patterns are further articulated by numerous seasonal and perennial flows, including Rotten Grass Creek and Johnny Creek, which carve through the terrain. Notable geological features like Jess Coulee break the landscape, while smaller tributaries such as Crazy Creek and Stevie Creek contribute to the broader watershed of Lodge Grass Creek.