Unified Interior Regions

Montana

Welcome to the Midwest Region! Our region includes 18 Science Centers in 11 States from the Great Lakes to the Dakotas, south to Missouri and Kentucky. Our streamgage network is used to monitor and assess water resources across the region. Other research focuses on fisheries and aquatic ecosystems, midcontinental plant/animal species, invasive species, wildlife disease, and energy and mining.

Northern Rocky Mountain Science Center (NOROCK)

Northern Rocky Mountain Science Center (NOROCK)

Scientists from the Center work in the northern Rocky Mountains and across the U.S. Many work throughout the world on issues as diverse as global climate change, aquatic ecology, wildlife diseases, bison ecology, and large carnivores.

Go to NOROCK

Wyoming-Montana Water Science Center

Wyoming-Montana Water Science Center

The Water Science Center's hydrologists, engineers, geospatial analysts, hydrologic technicians, geologists, and support staff work to provide hydrologic data and interpretive studies.

Go to Center

States L2 Landing Page Tabs

Filter Total Items: 188
Date published: April 2, 2019
Status: Active

Ice Jam Hazard

Ice jams along rivers cause flooding, scouring, injuries and loss of life, and structural and environmental damage; they are a major hazard across the northern United States. Communities need data about ice jam locations and frequencies, as well as information about developing ice jams that might threaten lives and property.

Date published: April 2, 2019
Status: Active

Augusta 2018 Flood Measurements and Flood Frequency Updates along the Rocky Mountain Front

The USGS WY-MT Water Science Center provided discharge measurements and high water mark (HWM) flagging for the June 2018 flooding along Elk Creek in Augusta, Montana.

Date published: February 25, 2019
Status: Completed

Summer 2011 Missouri River Basin flood

Learn more about USGS flood activities related to the 2011 Missouri River Basin Flood resulting from higher-than-average snowmelt runoff combined with heavy spring rains.

Date published: February 22, 2019
Status: Active

Yellowstone River Compact Commission: Technical Advisory Committee Meeting Minutes

The Yellowstone River Compact Commission Technical Advisory committee meets periodically. The official minutes of each meeting  can be accessed below by clicking on the appropriate link.

Date published: February 22, 2019
Status: Active

Yellowstone River Compact Commission: Annual Reports

The Yellowstone River Compact Commission was established in 1951 and meets annually.

The Commission's formational meeting minutes and annual reports can be accessed below by clicking on the appropriate link. The official minutes of each meeting are incorporated into the Commission's annual reports.

Date published: December 6, 2018
Status: Active

Southwest Montana Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Southwest Montana Province 5029:

 

Date published: December 6, 2018
Status: Active

Powder River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Powder River Basin Province 5033:

  • 2006 Conventional and Continuous Assessment (DDS 69-U)
  • 1995 Assessment (
  • ...
Date published: November 29, 2018
Status: Active

Bighorn Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Bighorn Basin Province 5034:

  • 2019 Continuous oil and gas resources in the niobrara internal of the Cody Shale (FS 2019-3045)
  • 2008 Conventional and Continuous Assessment (
  • ...
Date published: November 19, 2018
Status: Active

North-Central Montana Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the North-Central Montana and Williston Basin Provinces 5028 of central Montana and western North Dakota:

Date published: November 19, 2018
Status: Active

Montana Thrust Belt Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Montana Thrust Belt Province 5027 of northwestern Montana:

  • 2002 Conventional and Continuous Assessment (Fact Sheet 148-02)
  • 1995 Assessment (
  • ...
Date published: November 19, 2018
Status: Active

Yellowstone River Compact Commission

The Yellowstone River Compact was ratified in 1950 and became effective in 1951. The Yellowstone River Compact Commission (YRCC) is a three member commission charged with apportioning the waters of the Yellowstone River and its tributaries.

Filter Total Items: 71
Date published: July 12, 2019

Tellurium Deposits in the United States

This data release provides the description of U.S. sites that include mineral regions, mines and mineral occurrences (deposits) that have a contained resource and (or) production of tellurium metal greater than 1 metric ton. For this data release, only one deposit in the U.S. with historic production records was found: Butte, Montana. We did not locate any deposits in the U.S. tha

Date published: April 2, 2019

Flood Event Viewer - Montana June 2018 Flood Rocky Mountain Front

The USGS WY-MT Water Science Center provided discharge measurements and high water mark (HWM) flagging for the June 2018 flooding along Elk Creek in Augusta, Montana.

Date published: January 1, 2019

Airborne electromagnetic and magnetic survey data, Stillwater Complex, Montana, May 2000

A helicopter-borne electromagnetic/magnetic survey was flown over the Stillwater area, southwest Montana from May 5 to May 16, 2000. The survey was conducted over the Stillwater Igneous Complex, a Precambrian layered mafic-ultramafic intrusion which is characterized by igneous layering. Electromagnetic data were acquired using DIGHEM helicopter-borne electromagnetic system. Magnetic data

Date published: December 6, 2018

Downloadable Data for Southwest Montana Oil and Gas Assessments

GIS Data for Southwest Montana Oil and Gas Assessments 

Date published: November 29, 2018

Downloadable Data for Montana Thrust Belt Basin Oil and Gas Assessments

Downloadable Data for Montana Thrust Belt Basin Oil and Gas Assessments 

Date published: November 29, 2018

Downloadable Data for North Central Montana Basin Oil and Gas Assessments

Downloadable Data for North Central Montana Basin Oil and Gas Assessments

Date published: August 28, 2018

USGS Domestic Continuous (Unconventional) Oil & Gas Assessments, 2000-Present

Interactively explore assessment summary information for continuous (unconventional) assessments conducted at the USGS from 2000-2018. The assessment results data used to generate this visualization can be downloaded here in Excel Format.  These data represent all assessment results...

Date published: May 3, 2018

Land Treatment Exploration Tool

The Land Treatment Exploration Tool is designed for resource managers to use when planning land treatments. The tool provides useful summaries of environmental characteristics of planned treatment areas and facilitates adaptive management practices by comparing those characteristics to other similar treatments within a specified distance or area of interest. ...

Date published: April 24, 2018

Rocky Mountain Regional Snowpack Chemistry Monitoring: Data Tables

Rocky Mountain Regional Snowpack Chemistry Monitoring Study.  Links to collected snowpack chemistry data.

Date published: April 23, 2018

Rocky Mountain Regional Snowpack Chemistry Monitoring Station List

Snowpack monitoring site identification and snow-sampling-site location information.

 

Filter Total Items: 30
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Year Published: 2014

Isolation and molecular characterization of a novel picornavirus from baitfish in the USA

During both regulatory and routine surveillance sampling of baitfish from the states of Illinois, Minnesota, Montana, and Wisconsin, USA, isolates (n = 20) of a previously unknown picornavirus were obtained from kidney/spleen or entire viscera of fathead minnows (Pimephales promelas) and brassy minnows (Hybognathus hankinsoni). Following the...

Phelps, Nicholas B.D.; Mor, Sunil K.; Armien, Anibal G.; Batts, William N.; Goodwin, Andrew E.; Hopper, Lacey; McCann, Rebekah; Ng, Terry Fei Fan; Puzach, Corey; Waltzek, Thomas B.; Delwart, Eric; Winton, James; Goyal, Sagar M.

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Year Published: 2012

Hydrologic, water-quality, and biological characteristics of the North Fork Flathead River, Montana, water years 2007-2008

In water year 2007, the U.S. Geological Survey, in cooperation with the National Park Service, began a 2-year study to collect hydrologic, water-quality, and biological data to provide a baseline characterization of the North Fork Flathead River from the United States-Canada border to its confluence with the Middle Fork of the Flathead River near...

Mills, Taylor J.; Schweiger, E. William; Mast, Alisa; Clow, David W.
Hydrologic, water-quality, and biological characteristics of the North Fork Flathead River, Montana, water years 2007-2008; 2012; SIR; 2011-5221; Mills, Taylor J.; Schweiger, E. William; Mast, M. Alisa; Clow, David W.

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Year Published: 2012

Preparation and characterization of "Libby Amphibole" toxicological testing material

The U.S. Environmental Protection Agency (USEPA) began work in Libby, Mont. in 1999 when an Emergency Response Team was sent to investigate local concern and media reports regarding asbestos-contaminated vermiculite. Since that time, the site has been granted Superfund status and site remediation to a safe level of asbestos has been ongoing. The...

Lowers, Heather; Wilson, Stephen A.; Hoefen, Todd M.; Benzel, William M.; Meeker, Gregory P.
Preparation and characterization of "Libby Amphibole" toxicological testing material; 2012; OFR; 2012-1012; Lowers, Heather A.; Wilson, Stephen A.; Hoefen, Todd M.; Benzel, William M.; Meeker, Gregory P.

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Year Published: 2011

The dispersion of fibrous amphiboles by glacial processes in the area surrounding Libby, Montana, USA

Mining operations began at a world-class vermiculite deposit at Vermiculite Mountain near Libby, Montana, circa 1920 and ended in 1990. Fibrous and asbestiform amphiboles intergrown with vermiculite ore are suspected to be a causative factor in an abnormally high number of cases of respiratory diseases in former mine and mill workers, and in...

Langer, William H.; Van Gosen, Bradley S.; Meeker, Gregory P.; Adams, David T.; Hoefen, Todd M.
The dispersion of fibrous amphiboles by glacial processes in the area surrounding Libby, Montana, USA; 2011; Article; Journal; Environmental Earth Sciences; Langer, William H.; Van Gosen, Bradley S.; Meeker, Gregory P.; Adams, David T.; Hoefen, Todd M.

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Year Published: 2010

Examination of Libby, Montana, Fill Material for Background Levels of Amphibole from the Rainy Creek Complex Using Scanning Electron Microscopy and X-Ray Microanalysis

Natural background levels of Libby-type amphibole in the sediment of the Libby valley in Montana have not, up to this point, been determined. The purpose of this report is to provide the preliminary findings of a study designed by both the U.S. Geological Survey and the U.S. Environmental Protection Agency and performed by the U.S. Geological...

Adams, David T.; Langer, William H.; Hoefen, Todd M.; Van Gosen, Bradley S.; Meeker, Gregory P.
Examination of Libby, Montana, Fill Material for Background Levels of Amphibole from the Rainy Creek Complex Using Scanning Electron Microscopy and X-Ray Microanalysis; 2010; OFR; 2010-1056; Adams, David T.; Langer, William H.; Hoefen, Todd M.; Van Gosen, Bradley S.; Meeker, Gregory P.

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Year Published: 2009

Particle Size Characterization of Water-Elutriated Libby Amphibole 2000 and RTI International Amosite

This report presents data on particle characterization analyzed by scanning electron microscopy on Libby amphibole collected by the U.S. Geological Survey in 2000 (LA2000) and amosite material collected by RTI International (RTI amosite). The particle characterization data were generated to support a portion of the Libby Action Plan. Prior to...

Lowers, Heather; Bern, Amy M.
Particle Size Characterization of Water-Elutriated Libby Amphibole 2000 and RTI International Amosite; 2009; OFR; 2009-1242; Lowers, Heather A.; Bern, Amy M.

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Year Published: 2008

Effects of 2003 wildfires on stream chemistry in Glacier National Park, Montana

Changes in stream chemistry were studied for 4 years following large wildfires that burned in Glacier National Park during the summer of 2003. Burned and unburned drainages were monitored from December 2003 through August 2007 for streamflow, major constituents, nutrients, and suspended sediment following the fires. Stream-water nitrate...

Mast, Alisa; Clow, David W.

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Year Published: 2007

Rocky Mountain Snowpack Chemistry at Selected Sites, 2004

During spring 2004, the U.S. Geological Survey in cooperation with the National Park Service and the U.S. Department of Agriculture, Forest Service collected and analyzed snowpack samples for 65 sites in the Rocky Mountain region from New Mexico to Montana. Snowpacks were sampled from late February through early April and generally had well-below-...

Ingersoll, George P.; Mast, Alisa; Nanus, Leora; Handran, Heather H.; Manthorne, David J.; Hultstrand, Douglas M.
Rocky Mountain Snowpack Chemistry at Selected Sites, 2004; 2007; OFR; 2007-1045; Ingersoll, George P.; Mast, M. Alisa; Nanus, Leora; Handran, Heather H.; Manthorne, David J.; Hultstrand, Douglas M.

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Year Published: 2007

Assessment of Historical Water-Quality Data for National Park Units in the Rocky Mountain Network, Colorado and Montana, through 2004

This report summarizes historical water-quality data for six National Park units that compose the Rocky Mountain Network. The park units in Colorado are Florissant Fossil Beds National Monument, Great Sand Dunes National Park and Preserve, and Rocky Mountain National Park; and in Montana, they are Glacier National Park, Grant-Kohrs Ranch National...

Mast, Alisa
Assessment of Historical Water-Quality Data for National Park Units in the Rocky Mountain Network, Colorado and Montana, through 2004; 2007; SIR; 2007-5147; Mast, M. Alisa

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Year Published: 2006

Organochlorine compounds and current-use pesticides in snow and lake sediment in Rocky Mountain National Park, Colorado, and Glacier National Park, Montana, 2002-03

Organochlorine compounds and current-use pesticides were measured in snow and lake-sediment samples from Rocky Mountain National Park in Colorado and Glacier National Park in Montana to determine their occurrence and distribution in high-elevation aquatic ecosystems. The U.S. Geological Survey, in cooperation with the National Park Service,...

Mast, Alisa; Foreman, William T.; Skaates, Serena V.
Organochlorine compounds and current-use pesticides in snow and lake sediment in Rocky Mountain National Park, Colorado, and Glacier National Park, Montana, 2002-03; 2006; SIR; 2006-5119; Mast, M. Alisa; Foreman, William T.; Skaates, Serena V.

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Year Published: 2006

Risk of Myxobolus cerebralis infection to rainbow trout in the Madison River, Montana, USA

Myxobolus cerebralis, the parasite that causes salmonid whirling disease, has had detrimental effects on several salmonid populations in the Intermountain West, including the rainbow trout in the Madison River, Montana, USA. The goal of this study was to examine relationships among characteristics of the environment, Tubifex tubifex (the alternate...

Krueger, R.C.; Kerans, B.L.; Vincent, E.R.; Rasmussen, C.
Risk of Myxobolus cerebralis infection to rainbow trout in the Madison River, Montana, USA; 2006; Article; Journal; Ecological Applications; Krueger, R. C.; Kerans, B. L.; Vincent, E. R.; Rasmussen, C.

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Year Published: 2004

Estimated water use in Montana in 2000

The future health and economic welfare of Montana's population is dependent on a continuing supply of fresh water. Montana's finite water resources are being stressed by increasing water withdrawals and instream-flow requirements. Various water managers in Montana need comprehensive, current, and detailed water-use data to quantify current...

Cannon, M.R.; Johnson, Dave R.
Estimated water use in Montana in 2000; 2004; SIR; 2004-5223; Cannon, M. R.; Johnson, Dave R.

Filter Total Items: 263
April 1, 2020

Yellowstone Volcano Observatory Monthly Update: April 1, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during March 2020.
 

March 2, 2020

Yellowstone Volcano Observatory Monthly Update: March 2, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during February 2020.
 

February 3, 2020

Yellowstone Volcano Observatory Monthly Update: February 3, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during January 2020.

January 2, 2020

Yellowstone Volcano Observatory Monthly Update: January 2, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during 2019, with an emphasis on the month of December.

Map showing ice cover in the Yellowstone region
December 31, 2019

Map showing ice cover in the Yellowstone region

Map showing ice cover in the Yellowstone region. Light shaded areas bounded by black and red lines indicate areas covered during the Pinedale (about 20,000-15,000 years ago) and Bull Lake (about 150,000 years ago) glaciations, respectively. Blue lines are contours in thousands of feet on the maximum reconstructed Pinedale glacier surface. The circled numbers schematically

...
December 2, 2019

Yellowstone Volcano Observatory Monthly Update: December 2, 2019

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of November 2019.

November 1, 2019

Yellowstone Volcano Observatory Monthly Update: November 1, 2019

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of October 2019
 

October 1, 2019

Yellowstone Volcano Observatory Monthly Update: October 1, 2019

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of September 2019.
 

September 3, 2019

Yellowstone Volcano Observatory Monthly Update: September 3, 2019

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of August 2019.
 

August 1, 2019

Yellowstone Volcano Observatory Monthly Update: August 1, 2019

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of July 2019.

Collecting Field Parameters During the 2019 Well Inventory at a Farm and Ranch on the Fort Peck Reservation
July 24, 2019

Collecting Field Parameters During the 2019 Well Inventory

USGS hydrologic technician collecting field parameters during the 2019 well inventory at a farm and ranch in the north central portion of the Fort Peck reservation.

Abandoned Farm on the Northwest Corner of the Fort Peck Reservation
July 22, 2019

Abandoned Farm on the Northwest Corner of the Fort Peck Reservation

Abandoned Farm on the Northwest Corner of the Fort Peck Reservation

Filter Total Items: 125
Filtering water for eDNA sample collection in Yellowstone National Park between Lewis and Shoshone Lakes.
November 6, 2017

Western waters support some of the most intact aquatic ecosystems in North America, yet invasive species and emerging infectious diseases pose significant and immediate threats to these ecosystems. 

Image shows coal being loaded into trucks at a coal mine
October 26, 2017

It is difficult to overstate the importance of energy to the American economy.  Managing this vital sector depends on knowing how many energy resources we have, how many we use and need, and how these resources are transported

Image shows a view of Libby Dam and Lake Koocanusa
October 25, 2017

Resource managers, regulators, and stakeholders of Montana and British Columbia’s Lake Koocanusa now have a new approach for understanding the implications of different levels of selenium, and to explore alternative selenium criteria for waters in the Lake.

A wildfire in a forest
September 7, 2017

A growing number of wildfire-burned areas throughout the western United States are expected to increase soil erosion rates within watersheds, causing more sediment to be present in downstream rivers and reservoirs, according to a new study by the U.S. Geological Survey.

A mother grizzly bear and her cub in the Greater Yellowstone Ecosystem.
July 5, 2017

From the journals of Lewis & Clark, April 13, 1805 (in the vicinity of Pouch Point Recreation Area - 16 miles south of New Town, North Dakota):

Photo of a red dye-tracer study in June 2016 on the Missouri River near Fort Peck Dam, Montana.
June 21, 2017

Reporters: If interested in being notified when the study date is chosen, please contact Jennifer or Susannah.

Dubois Badlands Wilderness Study Area, Wyoming
January 19, 2017

The U.S. Geological Survey and the Bureau of Land Management today released a collaborative report with new information and tools to support effective management of millions of acres of BLM public lands.  The report underscores the value of a landscape approach to management, and shows that the BLM manages some of the largest areas of intact public lands in the west. 

A mother grizzly bear and her cub in Yellowstone National Park.
November 16, 2016

Offspring of grizzly bear mothers with a history of human-bear conflicts are more likely to be involved in human-bear conflicts than offspring of mothers without a history of human-bear conflicts, according to a new study

A meltwater stonefly larva (Lednia tumana) sits on a cobbled snow fed stream in Glacier National Park.
November 16, 2016

West Glacier, Mont. – Two rare alpine insects – native to the northern Rocky Mountains and dependent on cold waters of glacier and snowmelt-fed alpine streams – are imperiled due to climate warming induced glacier and snow loss according to a study by the U.S. Geological Survey and its partners.

Filter Total Items: 47

Northern Rocky Mountain Science Center (NOROCK)

Northern Rocky Mountain Science Center (NOROCK)

Scientists from the Center work in the northern Rocky Mountains and across the U.S. Many work throughout the world on issues as diverse as global climate change, aquatic ecology, wildlife diseases, bison ecology, and large carnivores.

Go to NOROCK

Wyoming-Montana Water Science Center

Wyoming-Montana Water Science Center

The Water Science Center's hydrologists, engineers, geospatial analysts, hydrologic technicians, geologists, and support staff work to provide hydrologic data and interpretive studies.

Go to Center