Unified Interior Regions

Region 7: Upper Colorado Basin

Map of Region 7: Upper Colorado Basin

Map of Region 7:  Upper Colorado Basin

Map Showing USGS/DOI Unified Region 7 and parts of adjoining Regions

Regions L2 Landing Page Tabs

USGS Science Centers in Region 7-Upper Colorado Basin conduct a large number of cooperative and collaborative projects with other agencies and partners. A sampling of those projects are shown below on this web page.

Filter Total Items: 388
Date published: November 16, 2017
Status: Active

Brucellosis

Brucellosis is a nationally and internationally regulated disease of livestock with significant consequences for animal health, public health, and international trade.

Contacts: Paul Cross, Ph.D., Emily Almberg, Kelly Proffitt, Brandon Scurlock, & Eric Maichak, Jared Rogerson & Hank Edwards, Mark Drew & Paul Atwood , Eric Cole, Angela Brennan
Date published: October 30, 2017
Status: Active

Native Plant Materials for Ecological Restoration of Degraded Drylands

There is a growing consensus among resource managers to use native plant materials for ecological restoration of degraded drylands. Some plant species may be suitable for re-introduction across broad environmental gradients. Other species may fail under narrower conditions, or their re-introduction may have genetic consequences for local ecotypes, particularly when adapting to future climate...

Contacts: Lesley DeFalco
Date published: October 30, 2017
Status: Active

Conservation of Rare, Sensitive, and At-risk Desert Plant Species

The Mojave Desert is among the hottest and driest of the North American drylands, but in spite of these extreme conditions, and in part because of them, a diverse flora exists. This diversity of rare, endemic, and endangered species is threatened by the complex interaction between fluctuating climate and human-mediated disturbances. USGS studies have identified rare species “hotspots” for...

Contacts: Lesley DeFalco
Date published: October 30, 2017
Status: Active

Aridlands Disturbances and Restoration Ecology

Desert landscapes are rapidly changing due to increases in invasive plant species, frequency of wildfires, urban and energy development, recreational use, military training, and climate variation. Dr. Todd Esque, USGS researchers, and collaborators are working together to investigate these changes and provide managers with key information that can be used to manage natural resources more...

Contacts: Todd Esque
Date published: October 30, 2017
Status: Active

Process-based Approaches for Ecological Restoration of Degraded Drylands

Surface disturbances ranging from military training, recreation, energy exploration and development, and wildfires impact a large majority of federal lands in the western US, but the ecological and economic impacts are poorly understood. Explore this webpage to learn how Dr. Lesley DeFalco and her research team are currently evaluating and refining conventional approaches for post-fire...

Contacts: Lesley DeFalco
Date published: October 3, 2017

Colorado Plateaus Regional Groundwater Availability

Pilot phase

This study is in a pilot phase during fiscal years 2017 and 2018. The purpose of the pilot phase is to identify possible technical challenges of using the USGS code GSFLOW for simulating groundwater and surface-water flow in the Colorado Plateau principal aquifer system. During the pilot phase, the project will evaluate GSFLOW in the San Juan River Basin (...

Date published: September 30, 2017
Status: Completed

Water-Budget Analysis of the Upper Big Sandy Alluvial Aquifer

The Upper Big Sandy Groundwater Management District is concerned with potentially declining groundwater levels and thus available groundwater in storage for the Upper Big Sandy alluvial aquifer in eastern Colorado

This project evaluated changes in groundwater storage within the Upper Big Sandy Designated Groundwater Basin by updating water-budget results for the alluvial aquifer from...

Contacts: Suzanne Paschke
Date published: September 30, 2017
Status: Completed

Paradox Valley Total Dissolved Solids (TDS) Regression Equations

The primary objective of the project is to evaluate and update previous regression equations, developed for the USGS streamgages and continuous water-quality records,that describe the relation between specific conductance measured in the Dolores River and calculated total dissolved solids TDS. A secondary objective is to evaluate brine discharge to the river using a previously developed...

Contacts: M. Alisa Mast
Date published: September 20, 2017
Status: Active

Land Treatment Digital Library

The LTDL was created by the U.S. Geological Survey (USGS) to catalog information about land treatments on Federal lands in the western United States for all interested parties. The flexible framework of the library allows for the storage of a wide variety of data in different formats. The LTDL currently stores previously established land treatments or what often are called legacy data. The...

Date published: August 30, 2017
Status: Active

Reconstructing Flow History From Riparian Tree Rings

Aquatic Systems Branch scientists analyze rings of riparian trees relating tree growth and establishment to historical flow. We then use the tree rings to reconstruct the flow in past centuries. Flow reconstructions discover the frequency and magnitude of past droughts and floods—information that is essential for management of rivers and water supplies. We also use downscaled climate...

Date published: August 5, 2017
Status: Active

RestoreNet: Distributed Field Trial Network for Dryland Restoration

U.S. Geological Survey (USGS) researchers and land managers are co-producing a network of restoration field trial sites on DOI and surrounding lands in the southwestern U.S. The network systematically tests restoration treatments across a broad range of landscape, soil, and climate conditions. Each site in the network is used to test suitable seed mixes and treatments that promote plant...

Contacts: Seth Munson, Molly McCormick, Katie Laushman, Rebecca Mann, Mike Duniway, Ph.D., Brad Butterfield, Elise Gornish, Loralee Larios, Akasha Faist, Helen Rowe, Christopher Lortie, Caroline A. Havrilla
Date published: July 14, 2017
Status: Completed

Burned Area Essential Climate Variable

Essential Climate Variables (ECVs) track critical attributes of the atmosphere, oceanic, and terrestrial systems over time-scales appropriate for analyzing their relationships with climate change. As part of a larger Climate Data Record (CDR) and ECV project, scientists at GECSC are leading the development and validation of the Burned Area ECV algorithm. This algorithm automatically extracts...

Contacts: Todd Hawbaker

USGS Science Centers in Region 7-Upper Colorado Basin collect a wide variety of natural resource data types including spatial, geologic, hydrologic, and biologic data. Data included in USGS-series publications that are not publically available in USGS databases are published in Data Releases. Tools are USGS products that can be used to analyze those types of data.

Filter Total Items: 279
Date published: February 7, 2018

Southwestern Wyoming Pesticide Groundwater Sampling Sites

Southwestern Wyoming Pesticide Groundwater Sampling Sites

Date published: February 6, 2018

USGS Surface-water data for Arizona (NWIS-Web)

Access to current conditions, historical observations, daily data, statistics, peak-flow data, and field measurements for streamflow gaging stations in Arizona.

Date published: February 6, 2018

SnowModel simulations and supporting observations for the north-central Colorado Rocky Mountains during water years 2011 through 2015

This data release includes simulation output from SnowModel, a well-validated process-based snow modeling system, and supporting snow, meteorological, and streamflow observations from the water years 2011 through 2015 (October 1, 2010, through September 30, 2015) across a 3,600 square kilometer model domain in the north-central Colorado Rocky Mountains.

Date published: January 25, 2018

High resolution helicopter-borne magnetic and electromagnetic survey Eureka Graben area, Colorado September 1999

On September 25, 1998, SIAL Geosciences Inc. (SIAL) was awarded Department of Interior, contract 98CRCN1018, by the U.S. Geological Survey. This contract required SIAL to carry out a high-sensitivity magnetic and electromagnetic helicopter survey over one block located in the Eureka Graben Area. The primary goal of this project was to provide digitally recorded and processed magneti

Date published: January 18, 2018

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: January 3, 2018

Datasets of ecological communities (invertebrates and fish), streamflow, habitat, and water quality to examine the presence of trends in ecological communities from the Fountain Creek Basin, Colorado, USA, 2003-2016

These data were used for an analysis as part of a long-term project monitoring the biological communities, habitat, and water quality of the Fountain Creek Basin. Biology, habitat, and water quality data have been collected at 10 sites starting in 2003. These data include annual samples of aquatic invertebrate communities, fish communities, water quality, and quantitative riverine habitat...

Date published: January 3, 2018

Datasets of ecological communities (invertebrates and fish), streamflow, habitat, and water quality to examine the presence of trends in ecological communities from the Fountain Creek Basin, Colorado, USA, 2003-2016

These data were used for an analysis as part of a long-term project monitoring the biological communities, habitat, and water quality of the Fountain Creek Basin. Biology, habitat, and water quality data have been collected at 10 sites starting in 2003. These data include annual samples of aquatic invertebrate communities, fish communities, water quality, and quantitative riverine.

Date published: January 3, 2018

Datasets of ecological communities (invertebrates and fish), streamflow, habitat, and water quality to examine the presence of trends in ecological communities from the Fountain Creek Basin, Colorado, USA, 2003-2016

These data were used for an analysis as part of a long-term project monitoring the biological communities, habitat, and water quality of the Fountain Creek Basin. Biology, habitat, and water quality data have been collected at 10 sites starting in 2003. These data include annual samples of aquatic invertebrate communities, fish communities, water quality, and quantitative riverine habitat...

Date published: January 1, 2018

Texas Water Development Board Wells: Municipal and Industrial Monthly Pumping Rates for the Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico

This dataset contains monthly pumping rates for municipal and industrial (MnI) wells in Texas within the Rio Grande Transboundary Integrated Hydrologic Model (RGTIHM) that were not included in other pumping rate datasets. In RGTIHM, these wells are considered the Texas Water Development Board (TXWDB) group. Monthly pumping rates are presented in units of cubic feet per day for the p

Date published: January 1, 2018

Output Data Metadata, 2012 Little Bear Fire PRMS prefire-postfire models

This dataset contains output files from hydrologic simulations of the Upper Rio Hondo Subbasin, New Mexico using the Precipitation-Runoff Modeling System (PRMS). Input data for the entire Upper Rio Hondo Subbasin were developed, but output data only from the North Fork Eagle Creek subwatershed were used. Output datasets for four model simulations are included: two calibrated model simul

Date published: January 1, 2018

SFR Inflow Table for the Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico

This tabular dataset represents monthly flow at 18 surface-water inflow points used as input into the Streamflow-Routing (SFR) Package for MODFLOW-One-Water Hydrologic Flow Model in the Rio Grande Transboundary Integrated Hydrologic Model (RGTIHM). Fourteen of the inflow points represent wastewater treatment plant (WWTP)/water reclamation plant outfalls, two of the inflow points r

Date published: January 1, 2018

NMOSE Agricultural GW Pumping

This dataset contains annual agricultural groundwater pumping values in 1975 for Doña Ana County; in 1980, 1985, 1990, 1994, 1995, 2000, 2005, and 2010 for Doña Ana and Sierra Counties; and in 2009, 2011, 2012, 2013, and 2014 for the Lower Rio Grande Water Master District in New Mexico. Groundwater pumping values were extracted from Sorensen (1977), Soren

USGS Science Centers in Region 7-Upper Colorado Basin produce hundreds of USGS-series publications, journal papers, and books each year that are subject to rigorous review by USGS specialists. The publications shown below on this page are related to study areas and staff members of USGS Science Centers in Region 7 compiled from the USGS Publications Warehouse.

Filter Total Items: 5,333
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Year Published: 2021

Dating fault damage along the eastern Denali fault zone with hematite (U-Th)/He thermochronometry

Unraveling complex slip histories in fault damage zones to understand relations among deformation, hydrothermal alteration, and surface uplift remains a challenge. The dextral eastern Denali fault zone (EDFZ; southwest Yukon, Canada) bounds the Kluane Ranges and hosts a variety of fault-related rocks, including hematite fault surfaces, which have...

McDermott, Robert G.; Ault, Alexis K.; Caine, Jonathan

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Year Published: 2021

Assessment of continuous oil and gas resources in the Mowry Shale, Wind River Basin Province, Wyoming, 2020

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 288 million barrels of oil and 2.6 trillion cubic feet of gas in the Mowry Shale in the Wind River Basin Province, Wyoming.

Finn, Thomas M.; Schenk, Christopher J.; Mercier, Tracey J.; Woodall, Cheryl A.; Tennyson, Marilyn E.; Marra, Kristen R.; Le, Phuong A.; Leathers-Miller, Heidi M.; Ellis, Geoffrey S.
Finn, T.M., Schenk, C.J., Mercier, T.J., Tennyson, M.E., Woodall, C.A., Marra, K.R., Le, P.A., Leathers-Miller, H.M., and Ellis, G.S., 2021, Assessment of continuous oil and gas resources in the Mowry Shale, Wind River Basin Province, Wyoming, 2020: U.S. Geological Survey Fact Sheet 2021-3006, 2 p., https://doi.org/10.3133/fs20213006.

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Year Published: 2021

Temporal seismic velocity variations: Recovery following from the 2019 Mw 7.1 Ridgecrest, California earthquake

We investigated seismic velocity changes (dv/v) associated with the 2019 Ridgecrest earthquake sequence with high‐frequency autocorrelations of ambient seismic noise data. Daily autocorrelation functions were computed for the entirety of 2019 and the first quarter of 2020 for broadband stations within the region, including the temporary broadband...

Boschelli, Joshua Dakota; Moschetti, Morgan P.; Sens-Schonfelder, C

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Year Published: 2021

Extreme-event magnetic storm probabilities derived from rank statistics of historical Dst intensities for solar cycles 14-24

A compilation is made of the largest and second-largest magnetic-storm-maximum intensities, −Dst1 and −Dst2, for solar cycles 14–24 (1902–2016) by sampling Oulu Dcx for cycles 19–24, using published −Dstm values for 4 intense storms in cycles 14, 15, and 18 (1903, 1909, 1921, 1946), and calculating 15 new storm-maximum −Dstm...

Love, Jeffrey J.

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Year Published: 2021

Numerical analysis of the effect of subgrid variability in a physically based hydrological model on runoff, soil moisture, and slope stability

In coarse resolution hydrological modeling we face the problem of subgrid variability, the effects of which are difficult to express and are often hidden in the parameterization and calibration. We present a numerical experiment with the physically based hydrological model ParFlow‐CLM with which we quantify the effect of subgrid heterogeneities in...

Leonarduzzi, E.; Maxwell, R. M.; Mirus, Benjamin B.; Molnar, P.

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Year Published: 2021

Slip distribution and rupture history of the August 11, 2012, double earthquakes in Ahar – Varzaghan, Iran, using joint inversion of teleseismic broadband and local strong motion data

We use combined teleseismic and strong motion data sets to investigate finite-fault slip models for a double of earthquakes that occurred on August 11, 2012, in northwestern Iran near the cities of Ahar and Varzaghan. The data include teleseismic P-waveforms retrieved from broadband seismic stations located between 30°–94° from the earthquakes and...

Saltanatpouri, Atefeh; Hartzell, Stephen H.; Rahimi, Habib; Rouhollahi, Rahmatollah; Amiri Fard, Rouholla

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Year Published: 2021

Incorporating the effects of complex soil layering and thickness local variability into distributed landslide susceptibility assessments

Incorporating the influence of soil layering and local variability into the parameterizations of physics-based numerical models for distributed landslide susceptibility assessments remains a challenge. Typical applications employ substantial simplifications including homogeneous soil units and soil-hydraulic properties assigned based only on...

Fusco, F.; Mirus, Benjamin B.; Baum, Rex L.; Calcaterra, D.; De Vita, P.

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Year Published: 2021

Continental-scale analysis of shallow and deep groundwater contributions to streams

Groundwater discharge generates streamflow and influences stream thermal regimes. However, the water quality and thermal buffering capacity of groundwater depends on the aquifer source-depth. Here, we pair multi-year air and stream temperature signals to categorize 1729 sites across the continental United States as having major dam influence,...

Hare, D.; Helton, A. M.; Johnson, Zachary C.; Lane, Jr., John W.; Briggs, Martin A.

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Year Published: 2021

Groundwater management process simulations using an updated version of the three-dimensional numerical model of groundwater flow in northern Utah Valley, Utah County, Utah

Groundwater is a primary source of drinking water in northern Utah County. The groundwater system is recharged mainly from precipitation in the adjacent Wasatch Mountains and infiltration of streamflow. In 2004, groundwater withdrawals were estimated to be roughly 44,500 acre-feet per year. In 2016, groundwater withdrawals were estimated to be...

Stolp, Bernard J.; Brooks, Lynette E.
Stolp, B.J., and Brooks, L.E., 2021, Groundwater management process simulations using an updated version of the three-dimensional numerical model of groundwater flow in northern Utah Valley, Utah County, Utah: U.S. Geological Survey Scientific Investigations Report 2021–5010, 28 p., https://doi.org/10.3133/sir20215010.

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Year Published: 2021

Beach placer mineral deposits along localized paleoshorelines of the western Interior Seaway, upper cretaceous Fox Hills sandstone, eastern Denver Basin, Colorado

Beach placers deposited within the Fox Hills Sandstone along the eastern flank of the Denver Basin contain minerals deemed critical in 2018 by the U.S. Department of the Interior. These marine beach placers, or paleoplacers, were deposited in the Late Cretaceous along the western edge of the retreating Western Interior Seaway (WIS)....

O'Keeffe, Michael K; Dechesne, Marieke; Morgan Henderson, Matthew J.; Keller, Stephen M; Pfaff, Katherina; Mahatma, Asha; Peretyatko, Alexander I

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Year Published: 2021

Geomagnetic monitoring in the mid-Atlantic United States

Near historic battlegrounds of the American Civil War, southeast of Fredericksburg, Virginia, on a secluded grassy glade surrounded by forest, a specially designed observatory records the Earth’s changing magnetic field. This facility, the Fredericksburg Magnetic Observatory, is 1 of 14 observatories the U.S. Geological Survey Geomagnetism Program...

Love, Jeffrey J.; Lewis, Kristen A.
Love, J.J., and Lewis, K.A., 2021, Geomagnetic monitoring in the mid-Atlantic United States: U.S. Geological Survey Fact Sheet 2021-3001, 2 p., https://doi.org/10.3133/fs20213001.

Photos and videos described and linked on this webpage come from a wide variety of USGS science activities and presentations performed by USGS Science Center staff members in the Region 7-Upper Colorado Basin.

Filter Total Items: 525
Photo of USGS research boat conducting science on the Great Salt Lake.
December 31, 2016

USGS research boat conducting science on the Great Salt Lake.

USGS scientist Robert Baskin takes a boat out on the Great Salt Lake to conduct research. 

Baskin is being awarded with a 2016 Governor’s Medal for Science and Technology. Gov. Gary R. Herbert will present awards to 11 individuals and one company at the 30th anniversary awards dinner on January 18, 2017. Baskin is best known for his innovative research on Great Salt

...
Image shows coal being loaded into trucks at a coal mine
December 31, 2016

Loading Coal in the Trapper Mine

Coal is loaded into trucks at the Trapper Mine in northwest Colorado.

A sunset in western Loveland, Colorado.
December 31, 2016

Sunset in Western Loveland, CO

A sunset in western Loveland, Colorado. 

Chaco Culture National Historical Park, New Mexico.
December 31, 2016

Chaco Culture National Historical Park, New Mexico.

Chaco Culture National Historical Park, New Mexico. 

Dissected bat guano pellet showing antennae, eyes, and body fragments of midges.
December 31, 2016

Dissected bat guano pellet showing antennae, eyes, and body parts

Dissected guano pellet showing antennae, eyes, and body fragments of midges. 

A landscape view of the "Devil's Backbone" near Loveland, CO
December 31, 2016

Devil's Backbone Open Space

A landscape view of the "Devil's Backbone" near Loveland, CO.

Person taking data in grassland with biocrust
December 29, 2016

Biocrusts in healthy grassland data collection

Person taking data in a healthy dryland grassland with dark biocrusts between bunchgrasses and cacti in Utah.

December 1, 2016

Precipitation Runoff Modeling System (PRMS) Surface-Runoff Modules

Presents descriptions of the USGS Precipitation Runoff Modeling System (PRMS) Surface-Runoff modules, which compute Hortonian surface runoff, soil infiltration, and impervious surface and surface depression storage and flows.
 

December 1, 2016

New Breach Allows Flow on the Great Salt Lake

The new Great Salt Lake breach was opened on Dec. 1 by the Union Pacific Railroad Company. This created a new opening between the north and the south arm of the lake, allowing water to flow between the two sides. This time-lapse video shows the breach opening, which took about two hours. Before the new breach was opened, the north arm of the Great Salt Lake was at an

Rio Chama above Abiquiu Dam
November 29, 2016

Rio Chama above Abiquiu Dam

Snowy road on the way to Rio Chama above Abiquiu Dam (08286500)

Color Unmanned Aircraft System (UAS) image of Devils Tower in Wyoming
October 18, 2016

Devils Tower - Unmanned Aircraft System

This image of Devils Tower National Monument was created by combining elevation data and a digital photograph, captured over the landmark the same time by an unmanned aircraft system (UAS) in 2016.

News items shown on this page are highlights of selected studies conducted and publications produced by USGS Science Center staff members in Region 7-Upper Colorado Basin.

Filter Total Items: 363
USGS
February 17, 2015

U.S. Geological Survey senior scientist Dr. Jill Baron has been named the new Director of the North American Nitrogen Center, one of five globally distributed centers of the International Nitrogen Initiative (INI).

USGS
December 18, 2014

Secretary of the Interior Sally Jewell announced today that Interior’s South Central Climate Science Center is awarding nearly $550,000 to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.

USGS
December 18, 2014

Secretary of the Interior Sally Jewell announced today that Interior’s Southwest Climate Science Center is awarding nearly a million dollars to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.

USGS
December 18, 2014

Secretary of the Interior Sally Jewell announced today that Interior’s North Central Climate Science Center in Fort Collins, Colorado, is awarding nearly $400,000 to universities and other partners.

USGS
December 16, 2014

The U.S. Geological Survey has released a new report detailing changes of groundwater levels in the High Plains Aquifer. The report presents water-level change data in the aquifer for two separate periods: from 1950 – the time prior to significant groundwater irrigation development – to 2013, and 2011 to 2013.

Image: Ready for Action
December 15, 2014

Average chloride concentrations often exceed toxic levels in many northern United States streams due to the use of salt to deice winter pavement, and the frequency of these occurrences nearly doubled in two decades.

Image: Transporting a Captured Mule Deer
December 8, 2014

Wyoming's struggling mule deer populations are receiving significant attention from University of Wyoming researchers, the Wyoming Game and Fish Department, the U.S. Geological Survey and others, with at least five studies underway that could assist efforts to enhance deer numbers and their habitats.

Image: Mammoth Fossils
November 24, 2014

Four years ago, a bulldozer operator turned over some bones during construction at Ziegler Reservoir near Snowmass Village, Colorado. Scientists from the Denver Museum of Nature & Science were called to the scene and confirmed the bones were those of a juvenile Columbian mammoth, setting off a frenzy of excavation, scientific analysis, and international media attention.

USGS
October 7, 2014

Basins in the Sandia and Manzano Mountains at risk for a rainfall-generated debris-flow following a wildfire are identified by a new method for estimating post-fire erosion hazards before a wildfire actually burns, according to a new U.S. Geological Survey study.

Image: American Bullfrog
October 2, 2014

The American bullfrog has expanded its invasion of the Yellowstone River floodplain in Montana, according to a new study released in “Aquatic Invasions.”

Image: Wind Turbine and Forest
September 29, 2014

Certain bats may be approaching wind turbines after mistaking them for trees, according to a study published in the Proceedings of the National Academy of Sciences.

This page includes links to Social Media accounts (top of page), Science Centers (middle of page), and Regional Office staff members (bottom of page) of the USGS Region 7--Upper Colorado Basin.

USGS Science Centers in Region 7-Upper Colorado Basin conduct a large number of cooperative, co-funded science and monitoring projects with many other Federal, Tribal, State, and local agencies. Please scroll below to see the agencies with which those Science Centers currently have cooperative agreements.

Filter Total Items: 324