Silver Spruce Resources' Pino de Plata Sampling Yields 1,278 g/t AgEq; Highest Silver Assay to Date for Silver Spruce https://www.accesswire.com/543504/Pino-de-Plata-Sampling-Yields-1278-gt-AgEq-Highest-Silver-Assay-to-Date-for-Silver-Spruce Tuesday, April 30, 2019 10:30 AM