Tonogold Resources Enters into an Option Agreement to Acquire the three gold/silver Properties in Durango, Mexico https://www.prnewswire.com/news-releases/tonogold-resources-enters-into-an-option-agreement-to-acquire-the-three-goldsilver-properties-in-durango-mexico-300583275.html Tonogold Resources Inc. Jan 16, 2018, 14:24 ET