Complex sentence: Located near the town of Morrison, off U.S. Route 285, the site is located in the southern Rocky Mountains foothills, at about elevation, where uplifted Dakota Sandstone formed a steep hogback.
Split into simpler sentences: Located near the town of Morrison, off U.S. Route 285. The site is located in the southern Rocky Mountains foothills, at about elevation, where uplifted Dakota Sandstone formed a steep hogback.