Horseshoe Canyon Formation, Drumheller, Alberta, Canada

View over Horseshoe Canyon Formation in Summer under a blue Sky. The Horseshoe Canyon Formation is part of the Edmonton Group and is up to 230m in thickness. This Canyon gets its name from its horseshoe shape and is approximately 3 km long. The dark bands in the rock formations are coal seams. Horseshoe Canyon, Drumheller, Alberta, Canada.