POLYMET MINING (PLM $3.24) PUBLIC COMMENT PERIOD TO CONCLUDE ON FEBRUARY 3RD; ANTOFAGASTA PLC “CREDENTIALIZES” MINING CAMP 1/21/2010

POLYMET MINING (PLM $3.24) PUBLIC COMMENT PERIOD TO CONCLUDE
ON FEBRUARY 3RD; ANTOFAGASTA PLC “CREDENTIALIZES” MINING CAMP 1/21/2010