Participants at a workshop organised for representatives of communities affected by mining on Sunday expressed deep concern about the effects of mining operations of AngloGold Ashanti and Newmont Ghana Limited on water bodies and rivers...The participants also expressed concern "about the mountains of waste dumps in Obuasi and surrounding areas like Sanso, created by the mining operations of AngloGold Ashanti. [also refers to Rangold Resources, Westchester Resources]