The main economic activities in the Pennines include sheep farming, quarrying, finance and tourism. In the Peak District, tourism is the major local employment for park residents (24%), with manufacturing industries (19%) and quarrying (12%) also being important while 12% are employed in agriculture.[40] Limestone is the most important mineral quarried, mainly for roads and cement, while other extracted materials include shale for cement and gritstone for building stone.[41] The springs at Buxton and Ashbourne are exploited to produce bottled mineral water and there are approximately 2,700 farms in the National Park.[42] The South Pennines are predominantly industrial, with the main industries including textiles, quarrying and mining,[43] while other economic activities within the South Pennines include tourism and farming.[44]