After the jump you'll find a copy of a letter sent on July 10 "to the citizens of Dallas, TX" by the local chapter of the American Postal Workers Union, in which union president Larry Crawford warns of the United States Postal Service's plan to close the Dallas Main Post Office on I-30, just west of downtown. In the missive, sent to me this morning by a panicked Friend of Unfair Park, Crawford asks residents to contact their elected officials before today, which is the final day of public commen