Carol Walker / Cowboy running horse through water at Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboy running horse through water, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowgirl running paint horse through water, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboy riding in snow throwing a loop, Flitner Ranch, Shell, Wyoming, USA

Carol Walker / Silhouette of cowboy trotting, swinging a loop at sunset, Flitner Ranch, Shell, Wyoming, USA Model released

Carol Walker / Cowboy riding in snow throwing a loop, Flitner Ranch, Shell, Wyoming, USA Model released

Shattil & Rozinski / Cowboy rounding up horses at dawn, Colorado, USA. Model released

Carol Walker / Cowboy running with rope lassoo in hand, Flitner Ranch, Shell, Wyoming, USA, model released

Carol Walker / Cowboy galloping while swinging a rope lassoo at sunset, Flitner Ranch, Shell, Wyoming, USA, model released

Carol Walker / Cowboy lassooing paint quarter horse in snow, Wyoming, USA, February 2012, model released

Kristel Richard / An Indian cowboy, mounted on a quarter horse, tries to catch a bronc or wild paint horse during the All Indian Rodeo, at the annual Indian Crow Fair, Crow Agency, near Billings, Montana, USA, August 2...

Kristel Richard / Two Indian cowboys, mounted on quarter horses, try to catch a bronc or wild paint horse during the All Indian Rodeo, at the annual Indian Crow Fair, at Crow Agency, near Billings, Montana, USA, August...