This clip show the mountain states of the United States on a map, and offers some shots of fog-covered mountains.The clip opens on a map of the United States. The Rocky Mountains are highlighted, then the following states appear outlined: Idaho, Montana, Wyoming, Colorado, Utah, and Nevada. Next, some geological features are shown on the map: the Great Basin, the Great Salt Lake, plateaus, plains, and the Rocky Mountains. Slow pan over fog resting over mountain tops.