Published March 08, 2011, 12:00 AM


AP photo

In this Feb. 19 photo, Corson County Sheriff Keith Gall drives through the bison herd at the Wilder ranch where authorities have impounded around 6,000 bison. Gall spends up to 12 hours a day at the 35,000-acre ranch, often cruising desolate roads to check on bison roaming the windswept, snow-covered grasslands.

Read the article: S.D. sheriff now oversees more bison than people