Unified Interior Regions

Wyoming

The Rocky Mountain Region ranges from the Colorado Rockies to the Western Deserts to the Great Plains. The Rocky Mountain Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

Go to Science Center

States L2 Landing Page Tabs

The Rocky Mountain Region ranges from the Colorado Rockies to the Western Deserts to the Great Plains. The Rocky Mountain Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

Go to Science Center

News

Date published: September 7, 2020

Pushing the boundaries: Montana State University updates Yellowstone’s geologic map

What better way to celebrate the upcoming 150th anniversary of Yellowstone National Park than with an updated geologic map? Scientists and students from Montana State University are spending this summer doing just that!

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.

Filter Total Items: 91
Date published: July 31, 2020
Status: Active

Integrated Hyperspectral, Geophysical and Geochemical Studies of Yellowstone National Park Hydrothermal Systems

We are researching the subsurface groundwater flow systems in Yellowstone and the relation of these systems to understanding the regional movement of water in a volcanic center. New geophysical data will be integrated with existing data sets from hyperspectral data from Yellowstone's thermal areas and thermal water geochemistry to help define regionally extensive mineral assemblages, the...

Contacts: JoAnn Holloway
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: March 25, 2020
Status: Active

Past Perspectives of Water in the West

In the intermountain west, seasonal precipitation extremes, combined with population growth, are creating new challenges for the management of water resources, ecosystems, and geologic hazards. This research contributes a comprehensive long-term context for a deeper understanding of past hydrologic variability, including the magnitude and frequency of drought and flood extremes and ecosystem...

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 12, 2020
Status: Active

Characterizing Hydrologic and Geomorphic Processes in a Spring-Fed, Cold-Desert Headwater Stream

The role of natural versus human-influenced factors in sedimentation of Littlefield Creek, a small, high-desert creek in south-central Wyoming is currently unknown. In general, there is little empirical information about both hydrologic and geomorphic processes (together described as hydrogeomorphic) in these types of streams.  To develop a better understanding of  hydrogeomorphic processes,...

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: 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: July 11, 2019
Status: Completed

Digging Into the Past on the Teton Fault

- by Jaime Delano (on site) and Lisa Wald (back in the office)

This was originally posted as a blog on the USGS Natural Hazards Mission Area Facebook page during the paleoseismology fieldwork on the Teton Fault outside of Jackson, Wyoming from September 5-21, 2017.

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: 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.

Filter Total Items: 76
Date published: September 4, 2020

Data for Groundwater-Quality and Select Quality-Control Data for the Colorado Plateaus Principal Aquifer

Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water at public supply depths were made with the purpose of summarizing the current quality of source water (that is, untreated water) from public supply wells using two types of assessments; (1) status: an assessment that

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

Spread Creek EcoFlows Sites

Spread Creek drainage sites.

Date published: May 22, 2020

Spread Creek EcoFlows Sites

Spread Creek 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: April 16, 2020

Whole-rock geochemical data for the Bear Lodge alkaline complex, Wyoming: 2009 - 2013

This data release contains analytical data from a suite of rock samples collected within the Bear Lodge alkaline complex, northeast Wyoming, which hosts the Bear Lodge rare earth element (REE) deposit. Geochemistry data include major and trace element analytical results for 105 samples including alkaline igneous rocks, carbonatites, and weathered and oxidized samples. Samples were col

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: September 26, 2019

Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018

Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer system (CVAL), the Basin and Range basin-fill aquifers (BNRF), the Rio Grande aquifer system (RIOG), the High Plains aquifer (HPAQ), the Columbia Plateau basaltic-rock aquifers (

Date published: September 6, 2019

Drainage basins and characteristics for selected streamgages within the Southern Rockies Landscape Conservation Cooperative domain

Streamflow and basin-characteristic data are needed for a variety of scientific applications including estimation of flow in ungaged basins and hydro-ecological classification of rivers. The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation and the Southern Rockies Landscape Conservation Cooperative (SRLCC), selected a subset of streamgages across the SRLC

Date published: December 6, 2018

Downloadable Data for Powder River Basin Oil and Gas Assessments

GIS Data for Powder River Basin Oil and Gas Assessments 

Date published: November 29, 2018

Downloadable Data for Southwestern Wyoming Basin Oil and Gas Assessments

Downloadable Data for Southwestern Wyoming Basin Oil and Gas Assessments 

Filter Total Items: 4
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. 

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.

Filter Total Items: 29
Publication Thumbnail
Year Published: 2019

Coal geology and assessment of resources and reserves in the Little Snake River Coal Field and Red Desert Assessment Area, Greater Green River Basin, Wyoming

The U.S. Geological Survey is studying regional-scale assessments of resources and reserves of primary coal beds in the major coal bed basins in the United States to help formulate policy for Federal, State, and local energy and land use. This report summarizes the geology and coal resources and reserves in the Little Snake River coal field and...

Scott, David C.; Shaffer, Brian N.; Haacke, Jon E.; Pierce, Paul E.; Kinney, Scott A.
Scott, D.C., Shaffer, B.N., Haacke, J.E., Pierce, P.E., and Kinney, S.A., 2019, Coal geology and assessment of coal resources and reserves in the Little Snake River coal field and Red Desert assessment area, Greater Green River Basin, Wyoming: U.S. Geological Survey Professional Paper 1836, 169 p., https://doi.org/10.3133/pp1836.

Publication Thumbnail
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.

Publication Thumbnail
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.

Publication Thumbnail
Year Published: 2016

Geology and mineral resources of the Southwestern and South-Central Wyoming Sagebrush Focal Area, Wyoming, and the Bear River Watershed Sagebrush Focal Area, Wyoming and Utah: Chapter E in Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming

SummaryThe U.S. Department of the Interior has proposed to withdraw approximately 10 million acres of Federal lands from mineral entry (subject to valid existing rights) from 12 million acres of lands defined as Sagebrush Focal Areas (SFAs) in Idaho, Montana, Nevada, Oregon, Utah, and Wyoming (for further discussion on the lands involved see...

Wilson, Anna B.; Hayes, Timothy S.; Benson, Mary Ellen; Yager, Douglas B.; Anderson, Eric D.; Bleiwas, Donald I.; DeAngelo, Jacob; Dicken, Connie L.; Drake, Ronald M.; Fernette, Gregory L.; Giles, Stuart A.; Glen, Jonathan M. G.; Haacke, Jon E.; Horton, John D.; Parks, Heather L.; Rockwell, Barnaby W.; Williams, Colin F.
Wilson, A.B., Hayes, T.S., Benson, M.E., Yager, D.B., Anderson, E.D., Bleiwas, D.I., DeAngelo, J., Dicken, C.L., Drake, R.M., II, Fernette, G.L., Giles, S.A., Glen, J.M.G., Haacke, J.E., Horton, J.D., Parks, H.L., Rockwell, B.W., and Williams, C.F., 2016, Geology and mineral resources of the Southwestern and South-Central Wyoming Sagebrush Focal Area, Wyoming, and the Bear River Watershed Sagebrush Focal Area, Wyoming and Utah, (ver. 1.1, October 26, 2016): U.S. Geological Survey Scientific Investigations Report 2016–5089–E, 128 p., http://dx.doi.org/10.3133/sir20165089E.

Publication Thumbnail
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.

Publication Thumbnail
Year Published: 2016

Earthquake probabilities for the Wasatch front region in Utah, Idaho, and Wyoming

In a letter to The Salt Lake Daily Tribune in September 1883, U.S. Geological Survey (USGS) geologist G.K. Gilbert warned local residents about the implications of observable fault scarps along the western base of the Wasatch Range. The scarps were evidence that large surface-rupturing earthquakes had occurred in the past and more would likely...

Wong, Ivan G.; Lund, William R.; Duross, Christopher; Thomas, Patricia; Arabasz, Walter; Crone, Anthony J.; Hylland, Michael D.; Luco, Nicolas; Olig, Susan S.; Pechmann, James C.; Personius, Stephen; Petersen, Mark D.; Schwartz, David P.; Smith, Robert B.; Rowman, Steve

Publication Thumbnail
Year Published: 2016

New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range

Rainfall on 9–13 September 2013 triggered at least 1,138 debris flows in a 3430 km2 area of the Colorado Front Range. The historical record reveals that the occurrence of these flows over such a large area in the interior of North America is highly unusual. Rainfall that triggered the debris flows began after ~75 mm of antecedent rain had fallen,...

Coe, Jeffrey A.; Kean, Jason W.; Godt, Jonathan W.; Baum, Rex L.; Jones, Eric S.; Gochis, David; Anderson, Gregory S
Coe, J.A., Kean, J.W., Godt, J.W., Baum, R.L., Jones, E.S., Gochis, D.J., and Anderson, G.S., 2014, New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range: GSA Today, v. 24, no. 10, p. 4-10.

Publication Thumbnail
Year Published: 2014

Assessment of the quality of groundwater and the Little Wind River in the area of a former uranium processing facility on the Wind River Reservation, Wyoming, 1987 through 2010

In 2010, the U.S Geological Survey (USGS), in cooperation with the Wind River Environmental Quality Commission (WREQC), began an assessment of the effectiveness of the existing monitoring network at the Riverton, Wyoming, Uranium Mill Tailings Remedial Action (UMTRA) site. The USGS used existing data supplied by the U.S. Department of Energy (DOE...

Ranalli, Anthony J.; Naftz, David L.
Assessment of the quality of groundwater and the Little Wind River in the area of a former uranium processing facility on the Wind River Reservation, Wyoming, 1987 through 2010; 2014; SIR; 2013-5218; Ranalli, Anthony J.; Naftz, David L.

Publication Thumbnail
Year Published: 2012

Groundwater-quality and quality-control data for two monitoring wells near Pavillion, Wyoming, April and May 2012

In June 2010, the U.S. Environmental Protection Agency installed two deep monitoring wells (MW01 and MW02) near Pavillion, Wyoming, to study groundwater quality. During April and May 2012, the U.S Geological Survey, in cooperation with the Wyoming Department of Environmental Quality, collected groundwater-quality data and quality-control data from...

Wright, Peter R.; McMahon, Peter B.; Mueller, David K.; Clark, Melanie L.
Groundwater-quality and quality-control data for two monitoring wells near Pavillion, Wyoming, April and May 2012; 2012; DS; 718; Wright, Peter R.; McMahon, Peter B.; Mueller, David K.; Clark, Melanie L.

Publication Thumbnail
Year Published: 2012

Sampling and analysis plan for the characterization of groundwater quality in two monitoring wells near Pavillion, Wyoming

In June 2010, the U.S. Environmental Protection Agency installed two deep monitoring wells (MW01 and MW02) near Pavillion, Wyoming to study groundwater quality. The U.S Geological Survey, in cooperation with the Wyoming Department of Environmental Quality, designed a plan to collect groundwater data from these monitoring wells. This sampling and...

Wright, Peter R.; McMahon, Peter B.
Sampling and analysis plan for the characterization of groundwater quality in two monitoring wells near Pavillion, Wyoming; 2012; OFR; 2012-1197; Wright, Peter R.; McMahon, Peter B.

Publication Thumbnail
Year Published: 2012

Assessment of total nitrogen and total phosphorus in selected surface water of the National Park Service Northern Colorado Plateau Network, Colorado, Utah, and Wyoming, from 1972 through 2007

Nutrients are a nationally recognized concern for water quality of streams, rivers, groundwater, and water bodies. Nutrient impairment is documented by the U.S. Environmental Protection Agency as a primary cause of degradation in lakes and reservoirs, and nutrients are related to organic enrichment and oxygen depletion, which is an important cause...

Brown, Juliane B.; Thoma, David P.
Assessment of total nitrogen and total phosphorus in selected surface water of the National Park Service Northern Colorado Plateau Network, Colorado, Utah, and Wyoming, from 1972 through 2007; 2012; SIR; 2012-5043; Brown, Juliane B.; Thoma, David P.

Publication Thumbnail
Year Published: 2012

What are plants doing and when? Using plant phenology to facilitate sustainable natural resources management

Climate change models for the northern Rocky Mountains predict changes in temperature and water availability that in turn will alter vegetation. Changes include timing of plant life-history events, or phenology, such as green-up, flowering and senescence, and shifts in species composition. Moreover, climate changes may favor different species,...

Chong, Geneva W.; Allen, Leslie A.
What are plants doing and when? Using plant phenology to facilitate sustainable natural resources management; 2012; Organization Series; 3; Chong, Geneva W.; Allen, Leslie A.

Filter Total Items: 280
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 17, 2020

Time-Lapse of Yellowstone Lake (2019 - 2020)

This time-lapse movie, which spans January 2019 to August 2020, shows the changing nature of the seasons at Yellowstone Lake as captured by the Yellowstone Volcano Observatory webcam. Snow and ice come and go, and there is even a wildfire visible during the summer of 2019!
 

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.
 

Employee surveying real-time water stage in river with rafts downstream
July 15, 2020

Streamgage datum surveying for Snake River abv reservoir nr Alpine, WY

USGS employee surveys streamgage datum for the Snake River near Alpine, Wyoming to ensure real-time stage and streamflow data on the web are accurate.

Panorama of Hayden Valley, Yellowstone National Park
July 15, 2020

Panorama of Hayden Valley, Yellowstone National Park

Panoramic photo of Hayden Valley looking east toward the Yellowstone River from the Mary Mountain trail.

July 9, 2020

Image of the Week - Virtual Road Trip with Landsat

Summer vacation plans changed for many in 2020. Whatever your plans, Landsat can take you on a virtual road trip. Landsat 8, in its sun-synchronous polar orbit, views every national park in the U.S. every 16 days and gathers more photographic data than the most ambitious of tourists.
 

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

Filter Total Items: 114
Example of a boundary problem in the Yellowstone geologic map
September 7, 2020

What better way to celebrate the upcoming 150th anniversary of Yellowstone National Park than with an updated geologic map? Scientists and students from Montana State University are spending this summer doing just that!

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.

Snowline and trench site
November 21, 2019

"19 November 2019–Hand-dug trenches around Leigh Lake in Grand Teton National Park in Wyoming reveal evidence for a previously unknown surface-faulting earthquake in along the Teton Fault—one occurring about 10,000 years ago." A Seismological Society of America news release covers recent research published by USGS scientists and cooperators.

Read the News Release

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.

A digital elevation map of Yellowstone Caldera
May 3, 2019

In addition to studying volcanic processes and their associated hazards in California and Nevada, scientists at the California Volcano Observatory also collaborate with other volcano observatories to work on volcanic processes throughout the United States.

A huge canyon surrounded by deep-set cliffs opens to reveal a sunny gorge and part of the Colorado River.
April 11, 2019

A new study shows that mysterious cycles in salinity in the lower Colorado River are a result of precipitation patterns in the headwaters of the upper basin more than a thousand river miles away. The salinity levels generally repeat about every 10 years.

Dry wash in San Rafael Desert with white surface salts
January 25, 2018

Salinity loads that originate from groundwater within the Upper Colorado River Basin have decreased from 1986-2011, according to a new U.S. Geological Survey study done in cooperation with the Colorado River Basin Salinity Control Program.

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.

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

USGS
September 18, 2017

Just after Labor Day, U.S. Geological Survey field crews began digging a trench within the Jackson Hole Mountain Resort ski area, on the lower reaches of Buffalo Bowl. 

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.

Filter Total Items: 26