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U.s. Geological Survey

Initial tests: No drilling contamination from Bakken wells

Initial tests: No drilling contamination from Bakken wells

Random testing of shallow groundwater in the Northern Plains oil patch found no early evidence of contamination from an energy boom that’s already seen more than 8,500 wells drilled, federal scientists said Monday.

November 17, 2014 9:31 am Photos

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Moderate earthquake shakes northern Montana region

KALISPELL — A moderate earthquake rattled parts of northern Montana, but authorities say there were no reports of injury or damage.

November 15, 2014 9:49 amLoading…
More grizzlies eating moths in region south of Yellowstone

More grizzlies eating moths in region south of Yellowstone

More grizzly bears are congregating each summer on steep rocky slopes in search of army cutworm moths in the southeastern portion of the more than 9,210-square-mile Greater Yellowstone Ecosystem.

November 13, 2014 6:00 am Photos

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Delinquent bears

Delinquent bears

Yearling grizzly bears released after conflicts with humans or livestock are not more likely to reoffend, according to a recent study by the U.S. Geological Survey.

November 09, 2014 12:00 amLoading…
Study: Criminal bruins not always chronic offenders

Study: Criminal bruins not always chronic offenders

Yearling grizzly bears busted for getting into trouble and relocated are not any more likely to offend again than bears with a clean rap sheet.

November 09, 2014 12:00 am Photos

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Odd copter

Odd copter

A low-flying helicopter will tow a strange-looking device over the Poplar River Valley this week to survey the geology of the area as part of a study.

October 27, 2014 4:50 pmLoading…
Low-flying helicopter surveying Poplar valley

Low-flying helicopter surveying Poplar valley

Citizens should not be alarmed if they see a low-flying helicopter towing a large wire-loop contraption hanging from a cable in the Poplar area during the next couple of weeks.

October 27, 2014 4:49 pmLoading…
Study maps large, salty groundwater plume

Study maps large, salty groundwater plume

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.

April 25, 2014 12:15 am Photos

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Brine plume study

Brine plume study

April 22, 2014 4:34 pmLoading…
Report suggests ways to preserve Yellowstone's hydrothermal features

Report suggests ways to preserve Yellowstone's hydrothermal features

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.

April 11, 2014 1:51 pm Related Loading…
Cottonwood trees have tough time taking root in Missouri River Breaks

Cottonwood trees have tough time taking root in Missouri River Breaks

The odds are against cottonwood seedlings that sprout along the Missouri River in the badlands of the Upper Missouri River Breaks National Monument.

March 13, 2014 12:00 am Photos

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USGS report

USGS report

March 13, 2014 12:00 amLoading…
EPA abandons Pavillion groundwater study; state takes over

EPA abandons Pavillion groundwater study; state takes over

Jeff Locker remembers the frustration, Jon Martin the elation.

December 23, 2013 8:00 amLoading…

Sage grouse document published

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.

June 03, 2013 2:55 pmLoading…

Montana FWP will take over federal river gauges

MISSOULA — River lovers relax: A planned shutdown of several federal streamflow gauges in Montana didn’t happen – despite warnings to the contrary.

May 05, 2013 2:08 pmLoading…
Seismic sensors detect tiny rhythmic wave action on Yellowstone Lake

Seismic sensors detect tiny rhythmic wave action on Yellowstone Lake

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.

April 10, 2013 12:00 am Photos

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Researchers seek more data on role of whitebark pine in grizzly country

Researchers seek more data on role of whitebark pine in grizzly country

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.

February 02, 2013 12:00 amLoading…
Quick freeze ices, then sculpts Yellowstone River

Quick freeze ices, then sculpts Yellowstone River

On Thursday afternoon, Kayla Nelson drove over the Yellowstone River at South Billings Boulevard.

December 28, 2012 9:00 pmLoading…
Frozen river

Frozen river

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.

December 27, 2012 3:12 pm
Study shows Hebgen Lake captures much of Madison River's mercury

Study shows Hebgen Lake captures much of Madison River's mercury

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.

December 16, 2012 12:10 amLoading…

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