The document discusses the Ports-to-Plains Trade Corridor Coalition and their efforts to strengthen economic connections between West Texas and Northern Mexico. It outlines various trade missions and summits held in San Angelo, Texas between 2009-2011 that brought together officials from Texas and the Mexican states of Chihuahua, Coahuila, Durango, and Sinaloa. The goal was to promote infrastructure development, trade, and collaboration across the border region.