Atlantic Richfield Corporation

The number of Montanans who lost Medicaid coverage increased again in June. State and federal officials filed an agreement Tuesday with the Atlantic Richfield Company to pay for a cleanup of a former copper refinery in Great Falls.

State environmental officials have a new cleanup plan for a 43-mile stretch of the Clark Fork River contaminated by mining waste.

Montana environmental officials announced on Friday they have completed clean-up on state-owned lands within the 300-square-mile Anaconda Smelter Superfund Site. Train traffic has resumed along the Clark Fork River near Paradise following a derailment last weekend.

State environmental officials have released a new strategic plan that will guide cleanup efforts on the Clark Fork River for the next 15 years.