Tucson is located on a magnificent , with mountain ranges in all directions and attractive foothills leading up to the mountains. This setting is a scenic resource of great value for the , for its inhabitants, and for its economy. Specifically, beautiful surroundings help to attract tourists to the , and nationwide experience indicates that the most desirable new sources of employment have been locating in areas with the most attractive environments. Preservation of scenic resources is, therefore, important for both aesthetic and economic reasons. These valuable scenic resources encompass views up to and into the mountains, including the mountain profiles and their foothills, and views from the mountains across the valley. They also include significant natural vegetation and geological formations along designated .