Two women were moving rocks on a beach along the Yellowstone River the other day. “Did you lose something?” I asked. “No,” they replied. They were looking for agates. You may have seen ...

A survey to establish how the recreationists' experiences were affected by the spill is one means of assessment.

Alexis Bonogofsky, whose family's ranch was impacted by an oil spill on the Yellowstone River near Billings in 2011, took pictures Saturday of the refined petroleum product covering rocks and ...

Stay informed about the West. High Country News’ weekly email newsletters keep you up-to-date with our latest news and investigations from across the region. As the Yellowstone River neared its ...

Two months after a railroad bridge collapse sent carloads of hazardous oil products plunging into Montana’s Yellowstone River ... Oil-speckled rocks and bushes line the shore along with chunks ...

PAHs occur naturally in the environment, especially in the shale rock commonly found in the Yellowstone River Basin, according to the release. The Fish Consumption Advisory Board “has issued an ...

For decades, conservationists have fought against gold mining at the edge of Yellowstone National Park, fearing hard-rock extraction ... the Yellowstone River near the park’s northern border ...

(AP) — Two months after a railroad bridge collapse sent carloads of hazardous oil products plunging into Montana's Yellowstone River ... Oil-speckled rocks and bushes line the shore along ...