 TSX: GPR NYSE American: GPL VANCOUVER, BC, June 22, 2021 PRNewswire - Great Panther Mining Limited TSX: GPR NYSE-A: GPL Great Panther or the Company, a growing gold and silver producer focused on the Americas, today published its 2020 Mining For Good Sustainability Report. This marks the Companys second year reporting on its long-standing commitment in the areas of health, safety, environmental, social and governance management. 