Unified Interior Regions

Montana

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Filter Total Items: 186
June 2011 Mississippi River flood
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.

Yellowstone River Basin map
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.

Image: Lower Falls of the Yellowstone River, Yellowstone National Park, WY
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.

Province 5029 Southwest Montana National Oil and Gas Assessments
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:

 

Province 5033 Powder River Basin National Oil and Gas Assessments
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 (
  • ...
Province 5034 Bighorn Basin National Oil and Gas Assessments
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 (
  • ...
Province 5028 North Central Montana National Oil and Gas Assessments
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:

Province 5027 Montana Thrust Belt National Oil and Gas Assessments
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 (
  • ...
Image: Lower Falls of the Yellowstone River, Yellowstone National Park, WY
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.

Province 5031 Williston Basin
Date Published: November 8, 2018
Status: Active

Williston Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of conventional and continuous oil and gas resources of the Devonian Three Forks Formation and Devonian and Mississippian Bakken Formation in the Williston Basin Province 5031 of North Dakota, Montana, and South Dakota:

  • 2013 Conventional and Continuous Assessment (
  • ...
A mother grizzly bear and her cub in the Greater Yellowstone Ecosystem.
Date Published: October 23, 2018
Status: Active

Evaluating best practices for genetic sampling of bear populations- Tabitha Graves

Work with quantitative spatial wildlife ecologists to identify best practices for sampling rare and threatened carnivores using cutting edge statistical techniques.   The results will be useful for sampling carnivore populations across the world. You will be stationed in beautiful northwest Montana in Glacier National Park.

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Image of data download web page
November 29, 2018

Downloadable Data for North Central Montana Basin Oil and Gas Assessments

Interactive map and chart highlighting USGS Domestic Continuous (Unconventional) Oil & Gas Assessments, 2000-Present
August 28, 2018

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 for Continuous Assessments only from 2000-2018.

Screenshot of the Land Treatment Exploration Tool with proposed treatment drawn on screen.
May 3, 2018

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.  Provisional Software.

Snowpack-sampling pit at Berthoud Pass, Colorado.
April 24, 2018

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

Yellowstone River Basin Water-Quality Assessment data tables
April 23, 2018

Data collected in the Yellowstone River basin since 1998 are available from this link. Data from the Yellowstone River Basin NAWQA study unit and other study units that overlap into Wyoming, such as the Upper Snake River, the Great Salt Lake Basins, and the South Platte River study units, also are available from the NAWQA Data Warehouse. 

Montana Crest-Stage Gage Network
April 20, 2018

The purpose of the crest-stage gage network is to inventory and monitor peak discharges throughout the state of Montana, with special emphasis on streams that may damage transportation infrastructure.  Recorded data documenting peak streamflow at various sites within the state will be used by the Montana Department of Transportation to support assessments of culvert size, bridge construction, and

Water-quality sampling sites in the upper Clark Fork Basin, Montana
April 19, 2018

Mining in the upper Clark Fork Basin has resulted in substantial effects on water quality from large amounts of waste materials enriched with metallic contaminants. The U.S. Geological Survey has collected data since 1985 to document changes in water quality that might have resulted from remediation activities. 

USA DroughtWatch
March 28, 2018
  • The USGS DroughtWatch website is a map-based resource from USGS WaterWatch that gives users hourly visual updates for drought conditions at over 3000 locations across the United States (Wyoming or Montana). Learn how to use FloodWatch.

Surface-water data for Montana
March 7, 2018

Real-time, daily, peak-flow, field measurements, and statistics of current and historical data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall in Montana. Surface-water data are collected and stored as either discrete field-water-level measurements or as continuous time-series data from automated recorders.

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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.

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March 26, 2019

Broken Ice Jam in Milk River

Ice jam was holding on upstream side of bridge an suddenly broke lose while in the process of making a streamflow measurement. Equipment pulled to safety, and this video taken about 5 minutes later.
 

 Melting snow near Miles City created measurable flow in Reservation Creek. This site is only visited when there are high flows,
March 19, 2019

Melting snow created measurable flow in Reservation Creek

 Melting snow near Miles City created measurable flow in Reservation Creek. This site is only visited when there are high flows,

Location of Study Area (Includes Flaxville Aquifer and Lustre Oil Fields) and Sampling Sites From Previous USGS Studies
December 31, 2018

Location of Study Area (Includes Flaxville Aquifer)

Location of Study Area (Includes Flaxville Aquifer and Lustre Oil Fields) and Sampling Sites From Previous USGS Studies

Image from an application that navigates users through USGS National Oil and Gas Assessment Provinces
November 14, 2018

National Oil and Gas Assessment Provinces

This is a graphic from the USGS National Oil and Gas Assessment Explorer application, which allows user to drill into 70 oil and gas assessment provinces throughout the United States.

Map of study area
September 27, 2018

Map of study area that includes the states of ID, MT, OR, WA

Map of the study area that includes the states of Idaho, Montana, Oregon, and Washington. The Columbia and Snake rivers are the two largest rivers in the Columbia River Basin which is shown as a shaded area on the map.

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage
September 11, 2018

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage
September 11, 2018

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage

Hallowat Creek abv Kletomus Ck, nr Olney (12355342) streamgage

Big Creek below Lookout Creek, near Apgar (site 12355347)
September 10, 2018

Big Creek below Lookout Creek, near Apgar (site 12355347)

Big Creek below Lookout Creek, near Apgar (site 12355347)

July 19, 2018

Drilling an Ice Core

Researchers start drilling an ice core in the Greater Yellowstone Ecosystem.

Canada lynx
June 21, 2018

Canada Lynx

– Scientists at the USGS Massachusetts Cooperative Fish and
Wildlife Research Unit at the University of Massachusetts Amherst, in
collaboration with The Rockefeller University’s Vertebrate Genome Laboratory,
New York, are releasing to a public repository at the vertebrate lab, for use by
geneticists, conservationists and other researchers around the

...
High water mark sign at Yellowstone River at Carters Bridge
May 11, 2018

High water mark sign at Yellowstone River at Carters Bridge

High water mark sign at Yellowstone River at Carters Bridge

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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.

Image: Prairie Pothole Dragonfly
October 18, 2016

A new study by the USGS Northern Rocky Mountain Science Center and the NPS Greater Yellowstone Network has shown that contamination of wetlands by brine had negative effects on plant productivity and macroinvertebrate communities.  

Mother grizzly and cub at Gibbon River, Yellowstone National Park.
September 21, 2016

Grizzly bears in the southern portion of the Northern Continental Divide Ecosystem experienced a rapid increase in genetic diversity, according to a new study led by the USGS.

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