GRE Reading Comprehension: Maggoosh-GRE阅读Maggoosh - HIC9NXNWYZ894O70N

Operations at the Green Hills Gold Mine are continuously releasing mercury into the headwaters of the Apache River, and most fish in the Apache River now have mercury levels at or above the legal limit for human consumption. With the price of gold rising, forcing more and more mining at Green Hills, there seems no hope for food fishing along the Apache River.