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

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.

News

Date published: July 21, 2020

Assessment of Mercury Bioaccumulation in US National Parks Using Citizen Science

A team of federal, academic, and NGO researchers conducted a national-scale assessment of mercury bioaccumulation in aquatic ecosystems using dragonfly larvae as biosentinels.

Date published: March 31, 2020

TNMCorps Mapping Challenge Summary Results for City / Town Hall Structures in MT, ND, & SD

This challenge is now complete!!  Thank you to everyone who contributed!

Date published: March 5, 2020

FINISHED!! TNMCorps Mapping Challenge for City / Town Hall Structures in MT, ND, & SD

This challenge is now FINISHED!!  Thank you to everyone who contributed!

Filter Total Items: 193
Date published: September 23, 2020
Status: Active

Shift-Adjusted Ratings

Stage-discharge relations (ratings) are usually developed from a graphical analysis of numerous discharge and stage measurements. Discharge measurements are made on various schedules, at a variety of stages, and sometimes for different purposes. All discharge measurements are compiled and maintained in a data base. Each measurement is carefully made, and undergoes quality assurance review. ...

Date published: August 18, 2020
Status: Active

LCMAP Change Stories: Where the Forests Fall, the Grasses Grow

The forests and rangelands of the Western U.S. face fire dangers on multiple fronts.

The trees themselves provide fuel for wildfires, of course, but there are additional factors at play in this mountainous, forested stretch of land at the Idaho-Montana border.

Attribution: Land Resources
Date published: August 10, 2020
Status: Active

International Hydrological Studies of Wyoming-Montana Water Science Center

The USGS serves as the lead agency for the United States to measure and apportion natural flows of the St. Mary and Milk Rivers according to the Boundary Waters Treaty of 1909 and the International Joint Commission Order of 1921. The division of water between the United States and Canada is overseen by the Accredited Officers of the St. Mary and Milk Rivers, who are appointed by their...

Date published: July 1, 2020
Status: Active

Quantitative Disease Ecology

Researchers at the USGS are working on developing new quantitative methods to study disease dynamics in wildlife systems as well as systems at the wildlife-domestic-human interface. Much of our work focuses on how host population structure affects disease invasion, persistence and control in wildlife disease systems. We tackle these issues with a combination of simulation and statistical...

Contacts: Paul Cross
Date published: May 1, 2020
Status: Active

Lake Koocanusa Water Quality

Lake Koocanusa is a transboundary reservoir located in southeastern British Columbia and northwestern Montana. The reservoir was officially impounded in 1972 after construction of Libby Dam, which began in 1966. The dam was constructed as part of a treaty between the United States and Canada to cooperatively develop the water resources of the Columbia River drainage basin. The reservoir has a...

Date published: March 10, 2020
Status: Active

Weed-Suppressive Bacteria – Testing a Control Measure for Invasive Grasses in the West

Recent popular news has implied that Weed-Suppressive Bacteria (WSB) holds promise for cheatgrass control, yet a lack of peer-reviewed research exists to support this claim. USGS researchers stepped up to the challenge of objectively and rigorously evaluating the effectiveness of WSB for controlling exotic annual grasses, such as...

Date published: February 13, 2020
Status: Active

Hydrologic Assessment of the Blackfeet Reservation, Montana

The Blackfeet Nation seeks an increased scientific understanding of the water resources within the Blackfeet Reservation of northwestern Montana. Hydrologic information is needed in order to make informed water management decisions as the Blackfeet Nation moves forward with implementation of the Blackfeet Water Rights Compact as new water-use projects are initiated and as the Blackfeet...

Date published: December 17, 2019
Status: Active

Wyoming-Montana Stream Water-Quality Network - Water Year 2020

The USGS monitors stream water quality in Wyoming and Montana in cooperation with State, County, local, and other Federal agencies. Water-quality data for these sites are available from the USGS National Water Information System Web Mapper application in the form of an interactive map that can be accessed from the Data and Tools tab.

Date published: September 5, 2019
Status: Active

Peak-Flow Frequency Analysis for Selected Montana Streamgages

The Montana Department of Resources and Conservation requires peak-flow information for Federal Emergency Management Agency (FEMA) floodplain mapping for various locations across Montana. Accordingly, the USGS WY-MT Water Science Center has published peak-flow frequencies for selected streamgages in the Beaverhead River, Clark Fork, Ruby, Jefferson and Madison River Basins, and for selected...

Date published: July 30, 2019
Status: Active

Flaxville Aquifer

The Flaxville aquifer is present in the northern and central parts of the Fort Peck Indian Reservation and consists of sand and gravel that forms extensive plateaus and topographic benches used for dryland farming.  Because many residents rely on groundwater as their primary water supply on the Reservation, the Flaxville and underlying aquifers are important sources of groundwater.  The goal...

Date published: July 19, 2019
Status: Active

Using Robots in the River: Biosurveillance at USGS streamgages

For more than a decade, researchers around the world have shown that sampling a water body and analyzing for DNA (a method known as eDNA) is an effective method to detect an organism in the water. The challenge is that finding organisms that are not very abundant requires a lot of samples to locate this needle in a haystack.  Enter the "lab in a can", the water quality sampling and processing...

Date published: June 28, 2019
Status: Active

Seismic Seiches

Definition of seismic seiches and examples dating back to their first public mention in 1755.

Filter Total Items: 71
Date published: June 23, 2020

Global Geochemical Database for Critical Minerals in Archived Mine Samples

The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other countries in North America, South America, Asia, Africa and Europe. Samples were obtained from archived ore

Date published: May 22, 2020

Flathead Basin EcoFlows Sites

Flathead Basin streamflow monitoring sites.

Date published: May 22, 2020

Shields River EcoFlows Sites

Shields River drainage streamflow monitoring sites.

Date published: April 23, 2020

Domestic Wells in the United States

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

Date published: March 11, 2020

USGS Benchmark Glacier Project Comprehensive Data Collection

Mountain glaciers are closely coupled to climate processes, ecosystems, and regional water resources. To enhance physical understanding of these connections, the USGS maintains a collection of glacier mass balance and climate data across the western United States and Alaska. In some cases, records of glacier mass balance extend back to the mid-1940s. These data have been incorporated from

Date published: February 13, 2020

Surface water sites associated with the hydrologic assessment of the Blackfeet Reservation, Montana

Surface water sites associated with the hydrologic assessment of the Blackfeet Reservation in Montana.

Date published: January 10, 2020

YRCC Technical Advisory Committee meeting notes for 04/09/2019

These are the notes from the April 9, 2019 Yellowstone River Compact Commission Technical Advisory Committee meeting in Sheridan, WY.

Date published: January 1, 2020

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: October 1, 2019

Reanalysis of Selected Archived NURE-HSSR Sediment and Soil Samples from Arizona, California, Idaho, Montana, Nevada, New Mexico, and Utah

Beginning in November of 2015, the U.S. Geological Survey (USGS) undertook a project to reanalyze approximately 60,000 archived sample splits collected as part of the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) project from selected areas in Arizona, California, Idaho, Montana, Nevada, New Mexico, and Utah. A s

Date published: September 24, 2019

Stillwater Complex Rock Outcrop Database

This dataset includes polygons that describe areas of rock outcrop in the area of the Stillwater Complex, Montana. The Stillwater Complex is an Archean, ultramafic to mafic layered intrusion exposed in the Beartooth Mountains in south-central Montana. This igneous intrusion contains magmatic mineralization that is variably enriched in strategic and critical commodities such as chromium, nic...

Date published: September 5, 2019

Geodetic Data for USGS Benchmark Glaciers: Orthophotos, Digital Elevation Models, and Glacier Boundaries

Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana and Wolverine glaciers, AK in 1966, and later Sperry Glacier, MT in 2005. Additional measurements have been made on Lemon Creek Glacier, AK to compliment data collected by the Juneau Ice

Date published: July 16, 2019

High Altitude Weather Station Data at USGS Benchmark Glaciers

Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana and Wolverine glaciers, AK in 1966, and later Sperry Glacier, MT in 2005. Additional measurements have been made on Lemon Creek Glacier, AK to compliment data collected by the Juneau Ice

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Black and grey map of the contiguous 48 states shaded by the number of people using domestic wells per square kilometer (2010)
April 23, 2020

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

Screen capture of Montana StreamStats application
February 13, 2018

StreamStats is a Web-based geographic information system application that was created by the USGS to provide users with access to an assortment of analytical tools that are useful for water-resource planning and management.

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

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Year Published: 2019

Assessment of continuous oil and gas resources in the niobrara interval of the Cody Shale, Bighorn Basin Province, Wyoming and Montana, 2019

Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 534 million barrels of oil and 939 billion cubic feet of gas in the Niobrara interval of the Cody Shale in the Bighorn Basin Province, Wyoming and Montana.

Finn, Thomas M.; Schenk, Christopher J.; Mercier, Tracey J.; Tennyson, Marilyn E.; Le, Phuong A.; Brownfield, Michael E.; Marra, Kristen R.; Leathers-Miller, Heidi M.; Drake, Ronald M.; Woodall, Cheryl A.; Pitman, Janet K.; Ellis, Geoffrey S.; Kinney, Scott A.
Finn, T.M., Schenk, C.J., Mercier, T.J., Tennyson, M.E., Le, P.A., Brownfield, M.E., Marra, K.R., Leathers-Miller, H.M., Drake, R.M., II, Woodall, C.A., Pitman, J.K., Ellis, G.S., and Kinney, S.A., 2019, Assessment of continuous oil and gas resources in the Niobrara interval of the Cody Shale, Bighorn Basin Province, Wyoming and Montana, 2019: U.S. Geological Survey Fact Sheet 2019–3045, 2 p., https://doi.org/10.3133/fs20193045.

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Year Published: 2019

Spatiotemporal analysis of the Foreshock-Mainshock-Aftershock sequence of the 6 July 2017 M5.8 Lincoln, Montana, earthquake

A MW 5.8 earthquake occurred on 6 July 2017 at 12.2 km depth, 11 km southeast of Lincoln in west central Montana. No major damage or injuries were reported; however, the widely felt mainshock generated a prolific aftershock sequence with more than 1200 located events through the end of 2017. The Lincoln event is the latest in a series of moderate-...

McMahon, Nicole D; Yeck, William L.; Stickney, Michael C.; Aster, Richard C.; Martens, Hilary R; Benz, Harley M.

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Year Published: 2019

Monitoring brine contamination using time-lapse airborne electromagnetic surveys, East Poplar Oil Field, Montana

Integrated geophysical and water-quality studies have been used to delineate areas of saline groundwater in shallow unconfined aquifers underlying the East Poplar oil field in northeastern Montana. In 2004, a RESOLVE survey was conducted over the oil field to identify high conductivity areas potentially associated with brine contamination and to...

Ball, Lyndsay; Deszcz-Pan, Maria; Thamke, Joanna; Smith, Bruce

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Year Published: 2018

Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana

This geologic map of the central Beaverhead Mountains portrays a complex geologic history of depositional basin development interspersed with deformational events. Generalized geology for young basins, compiled from sources on both sides of the range, is combined with newly mapped bedrock geology to better integrate geologic development of the map...

Lund, Karen
Lund, K., 2018, Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana: U.S. Geological Survey Scientific Investigations Map 3413, pamphlet 27 p., scale 1:50,000, https://doi.org/10.3133/sim3413.

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Year Published: 2018

Characterizing the source of potentially asbestos-bearing commercial vermiculite insulation using in situ IR spectroscopy

Commercially produced vermiculite insulation from Libby, Montana, contains trace levels of asbestiform amphibole, which is known to cause asbestos-related diseases. When vermiculite insulation is found in a building, evaluation for its potential asbestos content traditionally involves collecting a sample from an attic or wall and submitting it for...

Swayze, Gregg A.; Lowers, Heather A.; Benzel, William M.; Clark, Roger N.; Driscoll, Rhonda L.; Perlman, Zac S.; Hoefen, Todd M.; Dyar, M. Darby

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Year Published: 2018

Conceptual model to assess water use associated with the life cycle of unconventional oil and gas development

As the demand for energy increases in the United States, so does the demand for water used to produce many forms of that energy. Technological advances, limited access to conventional oil and gas accumulations, and the rise of oil and gas prices resulted in increased development of unconventional oil and gas (UOG) accumulations. Unconventional oil...

Valder, Joshua F.; McShane, Ryan R.; Barnhart, Theodore B.; Sando, Roy; Carter, Janet M.; Lundgren, Robert F.
Valder, J.F., McShane, R.R., Barnhart, T.B., Sando, R., Carter, J.M., and Lundgren, R.F., 2018, Conceptual model to assess water use associated with the life cycle of unconventional oil and gas development: U.S. Geological Survey Scientific Investigations Report 2018–5027, 22 p., https://doi.org/10.3133/sir20185027.

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Year Published: 2017

The hyper-enrichment of V and Zn in black shales of the Late Devonian-Early Mississippian Bakken Formation (USA)

Black shales of the Late Devonian to Early Mississippian Bakken Formation are characterized by high concentrations of organic carbon and the hyper-enrichment (> 500 to 1000s of mg/kg) of V and Zn. Deposition of black shales resulted from shallow seafloor depths that promoted rapid development of euxinic conditions. Vanadium hyper-...

Scott, Clint; Slack, John F.; Kelley, Karen Duttweiler
Clint Scott, John F. Slack, Karen D. Kelley, The hyper-enrichment of V and Zn in black shales of the Late Devonian-Early Mississippian Bakken Formation (USA), In Chemical Geology, Volume 452, 2017, Pages 24-33

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Year Published: 2016

Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974

The Defense Minerals Administration (DMA), Defense Minerals Exploration Administration (DMEA), and Office of Minerals Exploration (OME) mineral exploration programs were active over the period 1950–1974. Under these programs, the Federal Government contributed financial assistance in the exploration for certain strategic and critical minerals. The...

Frank, David G.
Frank, D.G., 2016, Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974: U.S. Geological Survey Data Series 1004, http://dx.doi.org/10.3133/ds1004.

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Year Published: 2016

Lake trout (Salvelinus namaycush) suppression for bull trout (Salvelinus confluentus) recovery in Flathead Lake, Montana, North America

Non-native lake trout Salvelinus namaycush displaced native bull trout Salvelinus confluentus in Flathead Lake, Montana, USA, after 1984, when Mysis diluviana became abundant following its introduction in upstream lakes in 1968–1976. We developed a simulation model to determine the fishing mortality rate on lake trout that would enable bull trout...

Hansen, Michael J.; Hansen, Barry S; Beauchamp, David A.
Hansen, M. J., B. S. Hansen, and D. A. Beauchamp. 2016. Lake trout (Salvelinus namaycush) suppression for bull trout (Salvelinus confluentus) recovery in Flathead Lake, Montana, North America. Hydrobiologia doi:10.1007/s10750-016-2703-0

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Year Published: 2015

Quality and age of shallow groundwater in the Bakken Formation production area, Williston Basin, Montana and North Dakota

The quality and age of shallow groundwater in the Bakken Formation production area were characterized using data from 30 randomly distributed domestic wells screened in the upper Fort Union Formation. Comparison of inorganic and organic chemical concentrations to health based drinking-water standards, correlation analysis of concentrations with...

McMahon, Peter B.; Caldwell, Rodney R.; Galloway, Joel M.; Valder, Joshua F.; Hunt, Andrew G.
McMahon, P.B., Caldwell, R.R>, Galloway, J.M., Valder, J.F., and Hunt, A.G., 2014, Quality and age of shallow groundwater in the Bakken Formation Production Area, Williston Basin, Montana and North Dakota: Groundwater, DOI: 10.1111/gwat.12296

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Year Published: 2014

A geologic and mineral exploration spatial database for the Stillwater Complex, Montana

The Stillwater Complex is a Neoarchean, ultramafic to mafic layered intrusion exposed in the Beartooth Mountains in south-central Montana. This igneous intrusion contains magmatic mineralization that is variably enriched in strategic and critical commodities such as chromium, nickel, and the platinum-group elements. One deposit, the J-M Reef, is...

Zientek, Michael L.; Parks, Heather L.
Zientek, M.L., and Parks, H.L., 2014, A geologic and mineral exploration spatial database for the Stillwater Complex, Montana: U.S. Geological Survey Scientific Investigations Report 2014-5183, XX p., http://dx.doi.org/10.3133/sir20145183.

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Year Published: 2014

Delineation of brine contamination in and near the East Poplar oil field, Fort Peck Indian Reservation, northeastern Montana, 2004-09

The extent of brine contamination in the shallow aquifers in and near the East Poplar oil field is as much as 17.9 square miles and appears to be present throughout the entire saturated zone in contaminated areas. The brine contamination affects 15–37 billion gallons of groundwater. Brine contamination in the shallow aquifers east of the Poplar...

Thamke, Joanna N.; Smith, Bruce D.
Delineation of brine contamination in and near the East Poplar oil field, Fort Peck Indian Reservation, northeastern Montana, 2004-09; 2014; SIR; 2014-5024; Thamke, Joanna N.; Smith, Bruce D.

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MT StreamStats Screenshot of Interactive Map
January 30, 2018

StreamStats is a Web application that incorporates a Geographic Information System (GIS) to provide users with access to an assortment of analytical tools that are useful for a variety of water-resources planning and management purposes, and for engineering and design purposes.

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streamgaging and data transmission
September 30, 2020

streamgaging and data transmission

image of streamgaging and data transmission

Shields River above Smith Cr near Wilsall, MT Streamgage
September 19, 2020

Shields River above Smith Cr near Wilsall, MT Streamgage (06192980)

Shields River above Smith Creek near Wilsall, MT (06192980)

September 1, 2020

Yellowstone Volcano Observatory Monthly Update: September 1, 2020

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

August 20, 2020

Image of the Week: Bird Island Ablaze

In Montana, wildfire swept across Flathead Lake's 30 acre Bird Island in early August of 2020. Landsat 8 captured this imagery one day after the fire began. The satellite's short wave infrared and near infrared bands reveal the active fire covering approximately half of the island. Smoke obscures the remainder. The same band combination highlights healthy vegetation 16

August 1, 2020

Yellowstone Volcano Observatory Monthly Update: August 1, 2020

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

Photo of the Roosevelt Arch at the north entrance of Yellowstone National Park at night with comet NEOWISE in the background
July 16, 2020

Comet NEOWISE and the Roosevelt Arch at Yellowstone National Park

Comet NEOWISE is seen with the Roosevelt Arch in the foreground at the north Entrance of Yellowstone National Park.  The town of Gardiner, Montana, is in the background.

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

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Dragonfly larvae being held in an open hand
July 21, 2020

A team of federal, academic, and NGO researchers conducted a national-scale assessment of mercury bioaccumulation in aquatic ecosystems using dragonfly larvae as biosentinels.

TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD
February 26, 2020

This challeng is SO CLOSE to being finished! 

Approximately 80 edits came in since last week, leaving less than 20 existing points to be reviewed.  Don't forget to check for missing city/town halls, too.  

TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD
February 20, 2020

This challenge continues to move along nicely with another 100 edits in the last week! 

TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD
February 12, 2020

This challenge is coming along nicely with another 30 points added and 50 edits submitted since last week!

TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD
February 6, 2020

This challenge is coming along nicely with 20 points added since last week and another 80 points edited!

TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD
January 30, 2020

Here's another challenge for city/town halls in Montana, North Dakota, and South Dakota!

Cumulative number of located earthquakes for various areas in 1992 showing effect of Landers (California) earthquake.
July 8, 2019

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Mike Poland, geophysicist with the U.S. Geological Survey and Scientist-in-Charge, of the Yellowstone Volcano Observatory.

Image of Dan Fagre.
April 11, 2018

Research Ecologist Dan Fagre is the recipient of the 2017 Eugene M. Shoemaker Award for Lifetime Achievement in Communications

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.

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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