Beginning in Utah, the corridor extends northward through western Wyoming and eastern Idaho to Yellowstone National Park and reaches south to San Bernardino, California on the west and through Mesa, Arizona on the east, extending to the U.S.-Mexico border.
The corridor extends northward through western Wyoming and eastern Idaho to Yellowstone National Park. This is beginning in Utah. The corridor reaches south to San Bernardino, California on the west and through Mesa, Arizona on the east. This is beginning in Utah. The corridor is extending to the U.S.-Mexico border. This is beginning in Utah.