Montana Cowboys

Wrangler Boardman rides his horse across a river during the Montana Horses Annual Horse Drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler Nate Cummins rides by moonlight, the night before the Super Moon during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers work to control horses during Montana Horses' annual horse drive outside Three Forks, Montana. JIM URQUHART/REUTERS

Wranglers work to control horses during Montana Horses' annual horse drive outside Three Forks, Montana. JIM URQUHART/REUTERS

A horse shakes itself off after the second day of Montana Horses' annual horse drive outside Three Forks, Montana. JIM URQUHART/REUTERS

Renee Mantle separates horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle checks the hoof and shoes of a horse during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Mantle rides in a truck on her way to the wrangler camp before Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

The 500 acre Mantle ranch outside Three Forks. JIM URQUHART/REUTERS

Kail Mantle herds horses in a corral before Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Camp at night during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers depart to gather horses of the winter range during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Kail Mantle give instructions to wranglers before Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

The belt buckle of wrangler Sara Tharp before Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers visit by campfire during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Lori Young readies her horse before Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Horses walk across a river during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler Shad Boardman rides his horse across a river during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers work to gather horses during of Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler Denise Boyd laughs by the campfire during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle chases a group of horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Horses run to the corrals during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers gather a herd of horses off the winter range during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Horses run to the corrals during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Kail Mantle sings by the campfire during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler Nate Cummins jumps into a corral full of horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers drive a herd of horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle sorts a herd of horses in a corral during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle leads a herd of wild horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers travel up a train rail line during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers lead a herd of wild horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

A horse shakes off after a day of riding during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler Shad Boardman rides into a pasture during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers lead a herd of wild horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

A wrangler holds a saddle horn during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle, left, and Kail Mantle enjoy a moment in the pasture with their horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wrangler wait to drive a herd of horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

The stitched head of a horse on the boots of a wrangler during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle chases a horse trying to break away during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Wranglers lead a herd of wild horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle enjoys a moment in the pasture with her horses during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

Renee Mantle, left, and Kail Mantle ride during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

The spurs on a wrangler's boots during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS

A horse reacts in the pasture during Montana Horses' annual horse drive outside Three Forks. JIM URQUHART/REUTERS