Mountains and hills of England the Pennines (often called "the backbone of England") continues into the Yorkshire Dales, a limestone-dominated area of broad valleys and moorland. The Yorkshire Three Peaks are some of the highest summits in the area, which became a national park in 1954. The Yorkshire Dales end at Skipton, and a short distance to the south is a range of moors that rises up between the urban cores of Greater Manchester and West Yorkshire. The range has no continuous name - the western part as far as Blackburn is called the West Pennine Moors, the eastern part north of the A646 (including
Clark Mountain Range on the north side of I-15. The Mountain Pass rare earth mine owned by Molycorp Minerals is a recently reactivated rare earth element mine on the southern flank of the mountain. A major mine expansion project began in January 2011. The range contains Keany Pass and the Umberei Mine. Clark Mountain Range The Clark Mountain Range is located in southeastern California, north of Interstate 15 and the community of Mountain Pass. The range stretches approximately 15 miles (24 km) in a southwest-northeasterly direction, beginning in the Mojave National Preserve, and ending near Stateline Pass, about one mile (1.6 km) from