U.s. Geological Survey
The scope of groundwater contamination on the Fort Peck Reservation caused by oil exploration that began in the 1950s has been estimated at 15 to 37 billion gallons spread across 17.9 square miles, according to a recent study.
A newly published scientific report on the geology and hydrology in the area around Old Faithful in Yellowstone National Park includes suggestions on how to avoid harming the unique hydrothermal features during maintenance of nearby park roads, utilities and historic buildings.
The odds are against cottonwood seedlings that sprout along the Missouri River in the badlands of the Upper Missouri River Breaks National Monument.
Jeff Locker remembers the frustration, Jon Martin the elation.
The U.S. Geological Survey has released its extensive report on the greater sage grouse, a document that will provide a consistent set of information about the bird to help guide the Bureau of Land Management and the U.S. Forest Service in their joint efforts to conserve the species.
MISSOULA — River lovers relax: A planned shutdown of several federal streamflow gauges in Montana didn’t happen – despite warnings to the contrary.
The installation of powerful seismic sensors in Yellowstone National Park over the past four years to track the area’s sleeping volcano has incidentally provided insight into rhythmic wave events on Yellowstone Lake.
MAMMOTH HOT SPRINGS, Wyo. — In the ongoing deliberations over federal protections for Yellowstone-area grizzly bears, debate often focuses on a fixed number of total bears living in the region.
On Thursday afternoon, Kayla Nelson drove over the Yellowstone River at South Billings Boulevard.
Frozen shelves of ice and snow and iceberglike islands dot a stretch of the Yellowstone River just upstream of the bridge at South Billings Boulevard.
Hebgen Lake Dam, built in 1914, has served a purpose beyond its initial function of controlling floodwaters, storing water for downstream users and generating electricity. It also has acted as a filter for mercury.
MISSOULA — To ensure they’ve got the best look at how well grizzly bears can endure in the Greater Yellowstone Ecosystem, researchers want a full picture of the predators’ diet before another attempt to remove them from endangered species protection.
CASPER, Wyo. -- The U.S. Environmental Protection Agency will allow another three months for public comment on controversial data from well testing near Pavillion, an agency representative announced Wednesday.
CASPER, Wyo. — The state may have to examine its hydraulic fracturing rules if testing in the Pavillion area shows the oil and gas production technique contaminated groundwater there, Gov. Matt Mead said Tuesday.
CHEYENNE, Wyo. — The U.S. Geological Survey plans to release results Wednesday from new groundwater tests in Wyoming where another agency linked hydraulic fracturing to contaminants found in two water wells and residents complained of chemicals polluting their well water.
One of the cameras on the Terra satellite launched by NASA in 1999 has captured incredible images from outer space of such disasters as the Haiti earthquake, floods in Pakistan and Japan’s tsunami, but some researchers are hoping the same camera may help predict a disastrous event.
HELENA — The U.S. Geological Survey says a magnitude 3.7 earthquake shook the Seeley Lake and Ovando areas Sunday night, but no damage has been reported.
WHITEFISH -- Like a tree's concentric growth rings, a small bone within a fish's ear reveals a history of its growth. And according to a new study of westslope cutthroat trout in the Flathead River system, the bone also contains a record of its migration pathways -- a kind of geochemical dia…