Life Jackets are for Everyone. A life jacket (or Personal Flotation Device - PFD) is the single most important piece of equipment on your boat and the most important consideration should be size. More than two-thirds of all boating fatalities are drowning incidents and 90% of drowning victims were not wearing a life jacket.
The Grand Canyon in the southwestern United States is located entirely in the state of Arizona. (also parts of Navada and Utah.
Before discussing when and how the Grand Canyon was formed, it is first important to understand where and through what geologic feature it was carved. Located in northern Arizona, the Grand Canyon has been eroded through the southern end of the Colorado Plateau.