VANCOUVER, British Columbia--(BUSINESS WIRE)--Pan American Silver Corp. (NYSE: PAAS) (TSX: PAAS) ("Pan American" or the "Company") announces new drill results for its La Colorada mine in Zacatecas, Mexico, including multiple high-grade veins that indicate the potential for expansion of silver mineral resources, extension of mine life and improved economics. These drill results build on the success of Pan American's exploration program targeting the eastern zone of the La Colorada mine. "Our exp. ...