GR Silver Mining Reports High-Grade Drill Results from Plomosas Project: 3.5 m at 2,930 gpt AgEq*, including 0.7 m at 13,335 gpt AgEq*
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
GR Silver Mining Ltd. (TSXV: GRSL, FRANKFURT: GPE, OTCQB: GLYXF) (“GR Silver” or the “Company”) – is pleased to announce high-grade drill results for the San Juan area at Plomosas Silver Project (“Plomosas Project”), in Sinaloa, Mexico. San Juan is one of six priority areas with a combination of recent (2016 to 2018) and historical drilling data. The most significant sample results for this release represent the following: