In addition to South Dakota, bison have been moved from the Grand Canyon to Nebraska, Kansas and Oklahoma. The Grand Canyon bison population sits at 378 as of this summer, according to NPS.

RAPID CITY, S.D. (KOTA) - A rockfall mitigation project on Highway 14A (Spearfish Canyon) will begin Tuesday. The project is ...

The South Dakota Department of Transportation (DOT) is asking for the public’s patience as they perform rockfall mitigation ...

An area of the northern Black Hills that architect Frank Lloyd Wright once called more miraculous than the Grand Canyon may soon become part of South Dakota's next state park. The Spearfish Canyon ...

Saturday in Spearfish Canyon, a rockslide sent boulders tumbling down a cliffside, blocking U.S. Highway 14A near Savoy, S.D. The South Dakota DOT posted photos of the rocks and debris on Facebook ...

The South Dakota Department of Transportation will launch a rockfall mitigation project on U.S. Highway 14A in Spearfish Canyon starting Tuesday, July 22. Work will occur daily from 8 a.m. to 7 p.m., ...