U.S. Postal Service to dedicate Earthscapes Forver stamps to include "Barge Fleeting," an aerial view of towing vessels. WHAT: The United States Postal Service will dedicate a series of Forever Stamps entitled “Earthscapes,” one which features an aerial view of Kirby Corporation’s Apollo and Enterprise Marine Services LLC’s Taurus commercial tow boats positioning themselves against liquid tank barges in the Old River Barge Fleeting area near the Houston Ship Channel in Texas. WHEN: 2:30 p.m., Monday, October 1, 2012; the event is free and open to the public. WHO: Speakers will be William J.