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Off the Beaten Path: Notes from the transboundary

...Transboundary Mining Working Group, grew up on the Taku River. He said that acid mine leakage has been occurring from the Tulsequah Chief Mine, located on a tributary of the Taku River, since the mine closed down in 1957, despite repeated attempts to...
KSM Pt. 2: A river runs through it, and that's the problem

...uncertainty in the analysis exceeds any predictive value. In other words, after 200 years, no one knows."The Tulsequah Chief Mine has been leaching acid mine drainage into the Tulsequah River, which flows into the Taku River, since it closed...
My Turn: No guarantees with KSM mine

...of B.C. from the Taku all the way down to the Unuk should concern all of us in Southeast. In the Taku, the Tulsequah Chief mine has been polluting the river with acid mine drainage since the late 1950s, and little has been done by the mining...
My Turn: Alaska officials need to pay attention to BC mines

...the Stikine, Southeast Alaska's second-largest salmon producing river. Plans are in the works to reopen the Tulsequah Chief mine located in the Taku River watershed near Juneau. The Tulsequah Chief has been releasing acid mine drainage into...
My Turn: Transboundary impacts on Southeast fishing

...containments that will fill two valleys and contain billions of tons of acid-generating rock. ? The reopening of the Tulsequah Chief mine, located on the Tulsequah River just upstream of its confluence with the Taku River. The Taku is Southeast Alaska's...
Report: Fish unaffected by Tulsequah Chief mine discharge

...of copper and zinc were found downstream from the Tulsequah Chief mine, the mine's drainage poses a low risk to fish...discharge (into) the Tulsequah River from the Tulsequah Chief mine site," the letter stated.In April 2012, the...
Empire Editorial: KSM: Leaving Alaskans with all risk, zero benefit

...considering Canada's track record of cleaning up its defunct transboundary mines. If there were guarantees when the Tulsequah Chief Mine went into operation decades ago, they certainly weren't honored. Of course, promises like these come easy...
KSM part III: 'A perfect storm' for mining push?

...Tlingit and Haida Central Council.Moselle said the requirement for a bond, the need for which is made clear by the Tulsequah Chief Mine, is "probably one of the biggest differences between mining 50 years ago and today."But should the bonds not...
Alaska exports for 2012 total $4.5B

...projects. Recently CAMC Engineering of China partnered with Chieftain Metals LLC of Toronto, Canada to develop the Tulsequah Chief Mine in British Columbia.This marks the dominance of exports to Asia, home to Alaska's top three export markets...
State | Local
Empire Editorial: Cooperation beyond boundaries

...fisheries. To our knowledge the state never heard back from our Canadian neighbors.The company that once ran the Tulsequah Chief Mine went bankrupt in 2009, followed by the removal of the wastewater treatment plant that prevented sulfuric acid...


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