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: 193
Date published: June 26, 2019
Status: Active

Information by Region - Montana

  

Date published: May 23, 2019
Status: Active

Cheatgrass and Medusahead

Invasive annual grasses, such as cheatgrass (Bromus tectorum) and medusahead (Taeniatherum caput-medusae), are one of the most significant stressors to rangeland ecosystems in the western U.S. Their expansion and dominance across this area are the most damaging ecosystem agents on this iconic landscape.

Date published: April 3, 2019
Status: Active

Regional Regression Equations Based on Channel-Width Characteristics to Estimate Peak-Flow Frequencies at Ungaged Sites in Montana Using Data through Water Year 2011

The Montana Department of Transportation (MDT) uses peak-flow frequency data (i.e. 100-year flood) to design highway infrastructure, secure floodplain permits, and perform stream restoration activities. The USGS, in cooperation with MDT, proposes to develop regression equations which use channel-width as a predictor to provide peak-flow frequency estimates to MDT.

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 (
  • ...
Filter Total Items: 71
Date published: March 12, 2019

Airborne electromagnetic and magnetic survey data, Stillwater Complex, Montana, May 2000 (ver. 2.0, June 2020)

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: 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 30, 2018

Digital Data for the Geologic Map of the Central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana

This Data Release contains geospatially-enabled geological data to accompany the Geologic Map of the Central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana. This map portrays detailed geology of the central Beaverhead Mountains, printable at 1:50,000 scale. These data were collected between 1997 and 2017, and synthesized to provide significant new strati

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: October 17, 2018

U-Pb SHRIMP and 40Ar/39Ar geochronologic data and backscatter electron (BSE) and panchromatic cathodoluminescent (CL) imagery of sample materials for study of dikes, country rock, and alteration systems, Butte, U.S.A.

These data are for a multidisciplinary study of dikes, country rock, and alteration systems, Butte, U.S.A. Results of the study are described and interpreted in Lund and others (2018). Data included are U-Pb sensitive high-resolution ion microprobe (SHRIMP) geochronology for quartz porphyry dikes, 40Ar/39Ar thermochronologic data for biotite, hornblende, and K-feldspar fro

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.

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

Filter Total Items: 267
July 1, 2020

Yellowstone Volcano Observatory Monthly Update: July 1, 2020

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

June 11, 2020

Land Treatment Exploration Tool: A Quick Introduction

This is a quick introduction video to the Land Treatment Exploration Tool. This short video includes a summary of the tool with screen clips of the fact sheet, web tool, and an example Site Characterization Report.

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos

June 11, 2020

Land Treatment Exploration Tool—Step 1: Describe Proposed Treatment

This video describes Step 1 of the Land Treatment Exploration Tool. In Step 1 the user defines a name, the planned treatment/s, and a file name for exported items.

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos guide a user through the main steps of the tool.

June 11, 2020

Land Treatment Exploration Tool — Step 2: Select Treatment Boundary

This video describes Step 2 of the Land Treatment Exploration Tool. In Step 2 the user defines their planned treatment boundary. The user can load a zipped shapefile or on-screen digitize their boundary.  

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos guide a

June 11, 2020

Land Treatment Exploration Tool — Step 3: Explore Site Characteristics

This video describes Step 3 of the Land Treatment Exploration Tool. In Step 3 the user is guided to the Site History tab to explore land treatment and wildfire history of their planned treatment area. They are also directed to the Fish and Wildfire Information for Planning and Consultation tool to investigate areas of overlap with endangered species, migratory birds, and

June 11, 2020

Land Treatment Exploration Tool— Step 4: Prop. Treatment Area & Report

This video describes Step 4 and the developing report of the Land Treatment Exploration Tool. In Step 4 the used selects layers to generate spatial overlap statistics with their planned treatment boundary. Summary tables are generated and displayed in the Report tab, where a user can create a PDF Site Characterization Report for their planned treatment boundary. Optionally

June 11, 2020

Land Treatment Exploration Tool — Step 5: Select Search Parameters

This video describes Step 5 of the Land Treatment Exploration Tool. In Step 5 the user determines a distance or boundary to search for legacy Land Treatment Digital Library records. The user also indicates if the returned LTDL treatments are statistically evaluated against the planned treatment boundary using a Bray-Curtis Dissimilarity calculation.

These tutorial

June 11, 2020

Land Treatment Exploration Tool — Step 6: Compare the LTDL Treatments

This video describes Step 6 of the Land Treatment Exploration Tool. In Step 6 the user filters through the returned list of legacy LTDL treatments to identify records that contain useful information or context for the current planned treatment boundary. Selected treatments are added to the developing report and subsequent exported Site Characterization PDFs.  

These

May 31, 2020

Yellowstone Volcano Observatory Monthly Update: June 1, 2020

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

May 1, 2020

Yellowstone Volcano Observatory Monthly Update: May 1, 2020

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

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.
 

Filter Total Items: 126
Prairie dog and SPV bait
December 13, 2017

About 70 percent of wild prairie dogs successfully ingested baits containing an oral sylvatic plague vaccine, or SPV, that were distributed throughout their habitats, according to a new U.S. Geological Survey study.

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

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