8-mile mule train delivery

MULE

mail delivery

The most unusual delivery method used by USPS is a mule train in Arizona. The mules carry mail, food and supplies down an 8-mile trail to the Havasupai Indians at the bottom of the Grand Canyon.

* | Tags: Map facts USPS Fact #310 | February 5, 2019

Elsewhere, the Postal Service moves mail by planes, hovercraft, trains, trucks, cars, boats, ferries, helicopters, subways, bicycles and feet.