Sierra Madre Gold and Silver Ltd. is pleased to announce commencement of its maiden drilling program at its La Tigra Gold Silver project, located in Nayarit, Mexico. The La Tigra project consists of seven Mining Concessions, totaling 357 hectares, covering the historical high-grade mines in the Districto Minero Del Tigre. Servico Geológico Mexicano , a department of the Mexican Federal Secretaria de Economia, reports the
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