United States Postal Service - Wikipedia
Marshall Dismissed from Football Program
United States Postal Service - Wikipedia
USPS Is Warning Customers About New Winter Mail Delays
Neither snow nor rain may stop the mail — but in parts of Minnesota, staffing shortages are delaying delivery
United States Postal Service suspends mail delivery in NINE states as deep freeze hits the Midwest
USPS delays caused by more mail, fewer employees, Oak Creek problems
The U.S. Postal Service Suspends Delivery in 4 States Due to Polar Vortex
Polar Vortex Forces USPS Halts to Halt Mail Delivery Across 11 States
Publication 32 - Glossary of Postal Terms - USPS.com
United States Postal Service - Wikipedia