Categories Silver GR Silver Mining Reports High-grade Underground Sampling Results at Plomosas, Including Assays up to 6,128 gpt Ag over 0.2 meters. – Yahoo Finance Post author By Gold News Club Post date April 3, 2020 Click here to get this article in PDFEnter your Email AddressShare this: GR Silver Mining Reports High-grade Underground Sampling Results at Plomosas, Including Assays up to 6,128 gpt Ag over 0.2 meters. Yahoo Finance ← Next Generation Silver Producers Pt. II → Mexico mining halt to hit silver supply – MINING.com