Great Panther Announces Updated Mineral Reserve and Mineral Resource Estimates for the Tucano Gold Mine April 26 2022 - 07:25AM PR Newswire (US) https://ih.advfn.com/stock-market/AMEX/great-panther-mining-GPL/stock-news/87908191/great-panther-announces-updated-mineral-reserve-an https://www.reuters.com/business/swiss-gold-exports-united-states-rocketed-march-2022-04-26/