 CHICAGO--BUSINESS WIRE--The Tahltan Nation and Coeur Silvertip Holdings Ltd. Coeur Silvertip or the Company, a wholly-owned subsidiary of Coeur Mining, Inc. Coeur NYSE: CDE, today announced the signing of a comprehensive Impact-Benefit Agreement the IBA in connection with the Companys Silvertip silver-zinc-lead mine located in northern British Columbia. The IBA provides a framework for a mutually beneficial, long-term relationship between the Tahltan Nation and Coeur Silverti 