Gold Resource Corporation’s Alta Gracia Project Returns 10.30 Meters Grading 1,052 g/t Silver https://www.globenewswire.com/news-release/2018/09/18/1572291/0/en/Gold-Resource-Corporation-s-Alta-Gracia-Project-Returns-10-30-Meters-Grading-1-052-g-t-Silver.html September 18, 2018 07:45 ET | Source: Gold Resource Corporation