Levels were "way above any standards," says Geological Survey hydrologist.
Agency draws flak from environmentalists for its handling of Trench Mine runoff.
After two years of review, the U.S. Army Corps of Engineers still has concerns about Rosemont Copper’s plans to buy land and water rights to compensate for the Rosemont Mine’s impacts on nearly 70 acres of washes and streams, a recent corps letter shows.
I would like to offer what I feel is a more accurate, fact-based picture of the Rosemont Mine’s approval process than the one written by Gayle Hartmann, president of the Save the Scenic Santa Ritas Association, in the Star guest opinion, “Just the facts: Rosemont still a long way from final …
Last Monday, Coronado National Forest Supervisor Jim Upchurch answered questions at a news conference about the Rosemont Mine.
A White House advisory body is now informally involved in the contentious Rosemont Copper Mine dispute.
The U.S. Forest Service will issue a draft decision today approving the proposed Rosemont Mine in the Santa Rita Mountains southeast of Tucson.
The Forest Service laid much of the groundwork Friday for approval of the Rosemont Mine by releasing a final environmental report saying essentially that while the mine will cause negative impacts, it’s now clearly in line with nearly all environmental laws.
A rare bird that could gain federal protected status lives and in some cases breeds along three streams and creeks near the proposed Rosemont Mine site, federal reports show.
The mining giant Asarco will pay Pima County its second round of civil penalties and environmental reparations in three years over tailings dust blowing from its Mission Mine in Sahuarita into neighboring homes.
Davidson Canyon and Cienega Creek — linchpin issues for many who oppose the Rosemont Mine — aren’t in as big a danger from mine impacts as many people think, the U.S. Forest Service says.
Opponents of the proposed Rosemont Mine have filed suit, seeking to overturn a state decision awarding a groundwater protection permit to mine owners Rosemont Copper Co.
The proposed Rosemont Mine has gained a preliminary thumbs-up from the U.S. Fish and Wlidlife Service, with a new draft biological opinion saying that the mine isn’t likely to jeopardize the existence of any of nine endangered species including the jaguar or destroy jaguar critical habitat.