Zinc One Concludes Drilling in Southern Area of Mina Grande Sur, Bongara Zinc Mine Project, Peru 11.2 Metres of 24.7% Zinc and 4.5 Metres of 36.1% Zinc https://www.newsfilecorp.com/release/34865/Zinc-One-Concludes-Drilling-in-Southern-Area-of-Mina-Grande-Sur-Bongara-Zinc-Mine-Project-Peru Vancouver, British Columbia--(Newsfile Corp. - May 29, 2018)