Gold Resource Corporation engages in the exploration, development, and production of gold and silver projects. It also explores copper, lead, and zinc deposits. It holds 100% interest in the Don David gold mine, including two production stage and four exploration stage properties located in Oaxaca, Mexico that cover approximately 55,119 hectares. The company also holds 100% interest in the Back Forty project covering approximately 1,304 hectares located in Menominee County, Michigan.