Nebraska officials stopped stocking pike in Box Butte Reservoir in the ‘80s, but by then their migration up the Niobrara River was already underway. Wyoming biologists like Hahn and Hogberg knew ...

It was organized by the Powder River Basin Resource Council ... horizontal oil and gas wells in eastern Wyoming where the industry is targeting the Niobrara and Frontier formations, according ...

The Niobrara joins waterways like the Upper Missouri River in Montana, the Deschutes River in Oregon and the Snake River in Wyoming among the dozen rivers selected for stamps. There are 209 ...

The river conservation group ranked the Niobrara 10th, saying ... New Mexico, Utah and Wyoming. "This year's list underscores the problems that arise for communities and the environment when ...

Continental Resources has closed on a deal to acquire Powder River basin assets from Samson Resources II, and expects to begin delineating and developing the Shannon, Frontier, and Niobrara ...

But unlike any of those fish, the northern pearl dace, for example, has been in Wyoming since before the last ice age. When glaciers receded — slicing into the landscape and lea ...