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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.

News

Date published: April 22, 2020

Modeling Water Supply and Demand in the Transboundary Rio Grande to Support Long Term Management Strategies

Changes in population, agricultural practices, and climate are increasing demands on available water resources, particularly groundwater, in the southwest.

Date published: February 12, 2020

TNMCorps Mapping Challenge Summary Results for City / Town Hall Structures in UT, NM, & AZ

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

Filter Total Items: 107
USGS - stock tank in the western Plains of San Agustin
Date Published: December 9, 2019
Status: Active

Assessment of the Groundwater Resources of the Plains of San Agustin, New Mexico

The groundwater resources of the Plains of San Agustin basin are largely undeveloped, though recent interest in pumping and exporting some of these resources to the Albuquerque metropolitan area has caused uneasiness among some water-resources managers and the public. Protest and concern regarding this appropriation of water resources have been expressed by private, Federal, State, and Tribal...

Contacts: Jeff Pepin
PCB Project Field Photograph, USGS - New Mexico Water Science Center
Date Published: September 27, 2019
Status: Completed

Investigating Polychlorinated Biphenyl (PCB) Concentrations and Loads in Albuquerque Stormwater Channels

In cooperation with the New Mexico County of Bernalillo, the U.S. Geological Survey (USGS) characterized polychlorinated biphenyl (PCB) concentrations and estimated potential loading into the Rio Grande from urban watersheds that are under the county’s jurisdiction.  Water and sediment samples were collected in 2017-18 from six sites within four stormwater drainage basins in the Albuquerque,...

Contacts: Zach M Shephard, Kali Bronson
USGS science for a changing world
Date Published: July 8, 2019
Status: Active

Concealed Rare Earth Element (REE) Terranes in the Southern Basin and Range Geologic Province

The project is developing an understanding of the types, sizes, and spatial distribution of rare earth element (REE) related deposits in the southern Basin and Range geologic province to help ensure the availability of rare earth elements to the U.S.

Contacts: Mark Bultman
USGS
Date Published: June 28, 2019
Status: Active

Seismic Seiches

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

USGS
Date Published: June 26, 2019
Status: Active

Information by Region - New Mexico

  

Photo of a met station at Valle de Oro National Wildlife Refuge, USGS
Date Published: May 16, 2019
Status: Active

Ecohydrologic and Water Quality Data Collection at Valle de Oro National Wildlife Refuge and the Albuquerque South Valley Community Commons

The United States Geological Survey (USGS) New Mexico Water Science Center (NM WSC), in cooperation with the U.S. Fish and Wildlife Service (USFWS), U.S. Environmental Protection Agency (USEPA), U.S. Army Corps of Engineers (USACE), U.S. Bureau of Reclamation (Reclamation), Albuquerque Metropolitan Arroyo Flood Control Authority (AMAFCA), and Bernalillo County (BERNCO), will measure and...

Contacts: Rebecca Travis
Sediment core collection, USGS, NMWSC
Date Published: May 16, 2019
Status: Active

Nitrate Contamination in the Albuquerque Basin

Globally, nitrate is the most ubiquitous groundwater contaminate including within the Albuquerque Basin in New Mexico. Ingesting high concentrations of nitrate (> 10 mg/L as N) in drinking water can lead to an increased risk of cancer and in infants, methemoglobinemia. Historical groundwater sampling in Albuquerque and Kirtland Air Force Base have found high (> 10 mg/L as N) and sometime...

August-September 2014 Southwest flood events
Date Published: February 26, 2019
Status: Completed

August-September 2014 Southwest Floods

Learn more about USGS flood activities related to the August-September 2014 Floods, caused by heavy rains followed by remnants of Hurricane Odile which brought major flooding to parts of Arizona.

September 2013 Southwest floods
Date Published: February 25, 2019
Status: Completed

September 2013 Southwest Floods

Learn more about USGS flood activities related to the September 2013 Southwest Floods that occurred when rains brought major flooding to parts of Colorado, New Mexico, Arizona, and Utah.

Barr Drain on Valle de Oro National Wildlife Refuge
Date Published: February 25, 2019
Status: Active

Urban Waters Federal Partnership—Middle Rio Grande (Albuquerque, N. Mex.)

The Valle de Oro National Wildlife Refuge, just 7 miles south of downtown Albuquerque on the Rio Grande, will reconnect people, especially young people, with nature in this highly populated area. The USGS is gathering data that will help gauge the success of habitat restoration efforts.

Contacts: Rebecca Travis
Province 5043 Palo Duro Basin National Oil and Gas Assessments
Date Published: December 6, 2018
Status: Active

Palo Duro Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Palo Duro Basin Province 5043 in Texas, New Mexico, and Oklahoma:

 

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USGS
April 24, 2020

This child page contains the model input and output data used in the model calibration process for one Program for Predicting Polluting Particle Passage through Pits, Puddles and Ponds (P8) model during the calibration period of the study detailed in the associated Scientific Investigations Report "Comparison of Storm Runoff Models for a Small Watershed in an Urban Metropolitan Area, Al

USGS
April 24, 2020

This child page contains the requisite folder structure along with model input and output data used in the model validation process for two Hydrologic Engineering Center Hydrologic Modeling System (HEC-HMS) models during the validation period of the study detailed in the associated Scientific Investigations Report "Comparison of Storm Runoff Models for a Small Watershed in an Urban Metropol

USGS
April 24, 2020

Three separate hydrologic models were used to simulate storm runoff in the Hahn Arroyo Watershed, an urbanized watershed with concrete lined channels in the northeastern quadrant of Albuquerque, New Mexico that exhibits flashy, monsoonal-driven, storm runoff events. This data release contains the input and output files associated with the hydrologic simulations of each of the following mo

USGS
April 24, 2020

This child page contains the requisite folder structure along with the model input and output data used in calibrating two Hydrologic Engineering Center Hydrologic Modeling System (HEC-HMS) models during the calibration period of the study detailed in the associated Scientific Investigations Report "Comparison of Storm Runoff Models for a Small Watershed in an Urban Metropolitan Area, Alb

USGS
April 24, 2020

This child page contains the Arid-Lands Hydrologic Model (AHYMO) input and output data used in the model validation process during the validation period of the study described in the associated Scientific Investigations Report "Comparison of Storm Runoff Models for a Small Watershed in an Urban Metropolitan Area, Albuquerque, New Mexico" (Shephard and Douglas-Mankin, 2020). This

USGS
April 24, 2020

This child page contains the model input and output data used in the model validation process for one Program for Predicting Polluting Particle Passage through Pits, Puddles and Ponds (P8) model during the validation period of the study detailed in the associated Scientific Investigations Report "Comparison of Storm Runoff Models for a Small Watershed in an Urban Metropolitan Area, Albu

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. 

USGS
March 30, 2020

This data release contains files of the data from 2008, the data from 2016, the data from sites with measurements in both years that were used to determined water table change, and the metadata for the three files. These data were used to support the following published online map which contains the contours for 2008 and 2016 and the water-table elevation change layer: Flickinger, A.K.%

USGS
March 30, 2020

This metadata describes three separate comma deliminated tables that contain the groundwater well elevations and construction data for 2008 and 2016. Each table has data from sources including the U.S. Geological Survey, Kirtland Air Force Base Air Force Civil Engineering Center, City of Albuquerque, and Sandia National Laboratory. Data provided include source, well name, latitude, lo

USGS
February 19, 2020

These data provide the initial field observations of reservoir sediments including grain size, color, bioturbation, redox indicators, and reaction with hydrogen peroxide and hydrochloric acid.

USGS
February 19, 2020

The data presented here are from hand held X-ray fluorescence measurements on wet and dry composite samples. The composite samples are from 10 cm sections of sediment trenches in the Aztec Drinking Water Reservoir #1. Samples were analyzed to evaluate chemistry of the reservoir sediments.

USGS
February 19, 2020

The data presented here are from hand held X-ray fluorescence measurements from clean faces of sediment in trenches of the Aztec Drinking Water Reservoir #1. Sediments were analyzed at approximately the mid-point between the top and bottom depths.

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This is a map of the Southwest US with RestoreNet sites in six ecoregions.
May 14, 2020

RestoreNet is a networked ecological experiment on the cutting-edge of restoration science. The experiment sites span dryland ecoystems of the southwest U.S.

Screenshot of Surface Water Sites for the State of New Mexico, USGS - NMWSC
May 4, 2020

The maps utilize zoom and pan to allow you to focus in on the water-monitoring sites that interest you. The maps show current water conditions as compared to historical records.

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. 

Screenshot of San Juan River Basin Sites
March 4, 2019

The USGS monitors current streamflow and water-quality conditions at various sites in the Animas and San Juan River Basins in Colorado, New Mexico, and Utah, including areas below the Gold King Mine release area. These streamgages provide continuous data on streamflow and select water-quality constituents including specific conductance, water temperature, pH, and turbidity.

Aquifers: Map of the Principal Aquifers of the United States
March 13, 2018

The areal and vertical location of the major aquifers is fundamental to the determination of groundwater availability for the Nation. The map, which is derived from the Ground Water Atlas of the United States, indicates the areal extent of the uppermost principal aquifers on a national scale.

USGS StreamStats New Mexico
March 13, 2018

StreamStats version 4 is a Web application that provides access to an assortment of Geographic Information Systems (GIS) analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. 

NMBGMR Interactive Map
March 12, 2018

These geospatial data are provided to the public to aid in the understanding of the geologic resources of New Mexico.

The National Map
March 12, 2018

The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific analysis to emergency response. The National Map is easily accessible for display on the Web, as products and services, and as downloadable data.

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: 180
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Year Published: 2020

Water-table elevation maps for 2008 and 2016 and water-table elevation changes in the aquifer system underlying eastern Albuquerque, New Mexico

The addition of surface water from the San Juan-Chama Drinking Water Project to the Albuquerque water supply and the reduction in per capita water use has led to decreased groundwater withdrawals. This decrease in withdrawals has resulted in rising groundwater levels since 2008 in portions of the aquifer underlying Albuquerque. The wells used to...

Flickinger, Allison K.; Mitchell, Aurelia C.
Flickinger, A.K., and Mitchell, A.C., 2020, Water-table elevation maps for 2008 and 2016 and water-table elevation changes in the aquifer system underlying eastern Albuquerque, New Mexico: U.S. Geological Survey Open-File Report 2020–1036, 9 p., https://doi.org/10.3133/ofr20201036.

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Year Published: 2020

Assessment of soil and water resources in the Organ Mountains-Desert Peaks National Monument, New Mexico

The Organ Mountains-Desert Peaks National Monument (Monument) in southern New Mexico was established in 2014. Given anticipated future demands in the Monument for recreation, livestock grazing, and maintenance of rights-of-way (for example, pipelines and powerlines), the Bureau of Land Management (BLM) needs a better understanding of the current...

Blake, Johanna M.; Mitchell, Aurelia C.; Shephard, Zachary; Ball, Grady; Chavarria, Shaleene; Douglas-Mankin, Kyle R.
Blake, J.M., Mitchell, A.C., Shephard, Z., Ball, G., Chavarria, S., and Douglas-Mankin, K.R., 2020, Assessment of soil and water resources in the Organ Mountains-Desert Peaks National Monument, New Mexico: U.S. Geological Survey Scientific Investigations Report 2019–5142, 64 p., https://doi.org/10.3133/sir20195142.

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Year Published: 2020

Relating hydroclimatic change to streamflow, baseflow, and hydrologic partitioning in the Upper Rio Grande Basin, 1980 to 2015

Understanding how changing climatic conditions affect streamflow volume and timing is critical for effective water management. In the Rio Grande Basin of the southwest U.S., decreasing snowpack, increasing minimum temperatures, and decreasing streamflow have been observed in recent decades, but the effects of hydroclimatic changes on baseflow, or...

Rumsey, Christine; Miller, Matthew; Sexstone, Graham A.

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Year Published: 2020

Preferential elution of ionic solutes in melting snowpacks: Improving process understanding through field observations and modeling in the Rocky Mountains

The preferential elution of ions from melting snowpacks is a complex problem that has been linked to temporary acidification of water bodies. However, the understanding of these processes in snowpacks around the world, including the polar regions that are experiencing unprecedented warming and melting, remains limited despite being instrumental in...

Costa, Diogo; Sexstone, Graham A.; Pomeroy, J.W.; Campbell, Donald H.; Clow, David W.; Mast, Alisa

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Year Published: 2019

Calcrete uranium deposits in the Southern High Plains, USA

The Southern High Plains (SHP) is a new and emerging U.S. uranium province. Here, uranyl vanadates form deposits in Pliocene to Pleistocene sandstone, dolomite, and limestone. Fifteen calcrete uranium occurrences are identified; two of these, the Buzzard Draw and Sulfur Springs Draw deposits, have combined in-place resources estimated at about 4...

Hall, Susan; Van Gosen, Bradley S.; Paces, James B.; Zielinski, Robert A.

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Year Published: 2019

Hydraulic and water-quality indicators of aquifer zones contributing groundwater flow to wells in the Santa Fe Group aquifer system near southeast Albuquerque, New Mexico, 2013–16

An ethylene dibromide (EDB) plume extends approximately 5,880 feet northeast from the Bulk Fuels Facility on Kirtland Air Force Base. The leading edge of the EDB plume is about 3,700 feet upgradient from several water-supply wells. The water-supply wells are screened in the upper Santa Fe Group aquifer system. Within the upper Santa Fe Group, two...

Travis, Rebecca E.; Myers, Nathan C.
Travis, R.E., and Myers, N.C., 2019, Hydraulic and water-quality indicators of aquifer zones contributing groundwater flow to wells in the Santa Fe Group aquifer system near southeast Albuquerque, New Mexico, 2013–16 (ver. 1.1, May 2019): U.S. Geological Survey Scientific Investigations Report 2018–5138, 21 p., https://doi.org/10.3133/sir20185138.

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Year Published: 2019

Identifying natural and anthropogenic variability of uranium at the well scale, Homestake Superfund site, near Milan, New Mexico, USA

The San Mateo Creek Basin in New Mexico, USA is located within the Grants Mineral Belt-an area with numerous uranium (U) ore deposits, mines, and milling operations. Six monitoring wells set in an alluvial aquifer near the Homestake Mining Co. Superfund site in the lower San Mateo Creek Basin were logged with a suite of borehole geophysical tools...

Harte, Philip T.; Blake, Johanna M.; Thomas, Jonathan V.; Becher, Kent D.

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Year Published: 2018

Determination of representative uranium and selenium concentrations from groundwater, 2016, Homestake Mining Company Superfund site, Milan, New Mexico

In 2016, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected data on isotopes, age dating, and geochemistry including aqueous uranium concentrations of samples from 20 locations in the vicinity of the Homestake Mining Company Superfund site near Milan, New Mexico. The 20 sampled locations include 19...

Harte, Philip T.; Blake, Johanna M.; Becher, Kent D.
Harte, P.T., Blake, J.M., and Becher, K.D., 2018, Determination of representative uranium and selenium concentrations from groundwater, 2016, Homestake Mining Company Superfund site, Milan, New Mexico: U.S. Geological Survey Open-File Report 2018–1055, 40 p., appendixes, https://doi.org/10.3133/ofr20181055.

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Year Published: 2017

Assessment of undiscovered resources in calcrete uranium deposits, Southern High Plains region of Texas, New Mexico, and Oklahoma, 2017

The U.S. Geological Survey estimates a mean of 40 million pounds of in-place uranium oxide (U3O8) remaining as potential undiscovered resources in the Southern High Plains region of Texas, New Mexico, and Oklahoma. This estimate used a geology-based assessment method specific to calcrete uranium deposits.

Hall, Susan M.; Mihalasky, Mark J.; Van Gosen, Bradley S.
Hall, S.M., Mihalasky, M.J., and Van Gosen, B.S., 2017, Assessment of undiscovered resources in calcrete uranium deposits, Southern High Plains region of Texas, New Mexico, and Oklahoma, 2017: U.S. Geological Survey Fact Sheet 2017–3078, 2 p., https://doi.org/10.3133/fs20173078.

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Year Published: 2017

Repeatability of testing a small broadband sensor in the Albuquerque Seismological Laboratory Underground Vault

Variability in seismic instrumentation performance plays a fundamental role in our ability to carry out experiments in observational seismology. Many such experiments rely on the assumed performance of various seismic sensors as well as on methods to isolate the sensors from nonseismic noise sources. We look at the repeatability of estimating the...

Ringler, Adam T.; Holland, Austin; Wilson, David C.
Ringler, A. T., A. A. Holland, And D. C. Wilson (2017). Repeatability of testing a small broadband sensor in the Albuquerque Seismological Laboratory Underground Vault, Bulletin of the Seismological Society of America, 107, 3, doi: 10.1785/0120170006

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Year Published: 2017

Capturing spatiotemporal variation in wildfires for improving postwildfire debris-flow hazard assessments: Chapter 20

Wildfires can increase the frequency and magnitude of catastrophic debris flows. Integrated, proactive natural hazard assessment would therefore characterize landscapes based on the potential for the occurrence and interactions of wildfires and postwildfire debris flows. This chapter presents a new modeling effort that can quantify the variability...

Haas, Jessica R.; Thompson, Matthew P.; Tillery, Anne C.; Scott, Joe H.

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Year Published: 2017

Broadband seismic noise attenuation versus depth at the Albuquerque Seismological Laboratory

Seismic noise induced by atmospheric processes such as wind and pressure changes can be a major contributor to the background noise observed in many seismograph stations, especially those installed at or near the surface. Cultural noise such as vehicle traffic or nearby buildings with air handling equipment also contributes to seismic background...

Hutt, Charles R.; Ringler, Adam T.; Gee, Lind
Bulletin of the Seismological Society of America, Vol. 107, No. 3, pp. 1402–1412, June 2017, doi: 10.1785/0120160187

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USGS
March 9, 2018

Various projects on the USGS's public GitHub.

View of three USGS Visual Identity items
March 9, 2018

The software and related documentation on these Web pages were developed by the U.S. Geological Survey (USGS) for use by the USGS in fulfilling its mission. The software can be used, copied, modified, and distributed without any fee or cost.

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PCB Project Field Photograph, USGS - New Mexico Water Science Center
March 25, 2020

PCB Project Field Photograph, USGS - New Mexico Water Science Center

Field photograph taken for Polychlorinated Biphenyl (PCB) In Albuquerque Stormwater Channels Project, USGS - New Mexico Water Science Center

Tyson Hatch and Fletcher Brinkerhoff sampling suspended-sediment concentration upstream of the Buckman Diversion
December 31, 2019

Sampling Suspended-sediment Concentration

Tyson Hatch and Fletcher Brinkerhoff sampling suspended-sediment concentration upstream of the Buckman Diversion for the city of Santa Fe on the Rio Grande (08313150 Rio Grande above Buckman Diversion, near White Rock, NM)

A group of people gather around a list of climate adaptation strategies inside of a conference room.
December 5, 2019

Collaborating on Climate Adaptation

RAMPS expands drought adaptation project with national parks in the 4-Corners area. National parks across the desert Southwest are experiencing ecological impacts due to climate change. Since late 2018, USGS RAMPS scientists have been working with Southeast Utah Group of national parks to better understand climate change impacts and build a suite of science-driven

...
USGS - Water quality sampling in the western Plains of San Agustin
April 10, 2019

Water quality sampling in the western Plains of San Agustin

USGS scientist Mike Carlson works to collect a water quality sample from a windmill in the western Plains of San Agustin. Photo taken by Jeff Pepin on April 10th, 2019.

USGS - stock tank in the western Plains of San Agustin
April 4, 2019

Stock tank in the western Plains of San Agustin

USGS scientist Hal Nelson wades in a stock tank to install a fitting on the discharge pipe of a groundwater well to facilitate water quality sampling in the western Plains of San Agustin. Photo taken by Jeff Pepin on April 4th, 2019. 

Stormwater runoff in the Albuquerque urban area, NMWSC
December 31, 2018

Stormwater runoff in the Albuquerque urban area, NMWSC

Stormwater runoff in the Albuquerque urban area, NMWSC

USGS, NM Water Science Center, Gallinas Creek discharge measurement
December 31, 2018

Gallinas Creek discharge measurement, USGS

Hydrologic Technician Chris Peskuski making a discharge measurement above Gallinas Creek near Montezuma, NM (site data available at: https://waterdata.usgs.gov/nm/nwis/uv?site_no=08380500)

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

National Oil and Gas Assessment Provinces

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

A RestoreNet garden with plots covered by white cloth.
August 31, 2018

RestoreNet garden testing seedling establishment.

The RestoreNet gardens test seedlings of priority restoration species across the Southwest. This is a recently installed garden located in the juniper woodlands of the Colorado Plateau. The experiemental network will support land managers by providing insight into various restoration techniques, including testing seedlings vs seeds.

USGS - Roswell Field Office, USGS/BLM
June 27, 2018

USGS - Roswell Field Office, USGS/BLM

USGS - Roswell Field Office, USGS/BLM

Photo of a met station at Valle de Oro National Wildlife Refuge, USGS
May 16, 2018

Met Station at Valle de Oro National Wildlife Refuge

Image of a Met Station at Valle de Oro National Wildlife Refuge, New Mexico, USGS - New Mexico Water Science Center (NMWSC)

Discussion on Complexities of the Rio Grande Watershed
April 30, 2018

Discussion on Complexities of the Rio Grande Watershed

Streamside talk about a water managers perspectives on the complexities of the Rio Grande Watershed and the history / need for runoff forecasts for downstream water users. The talk led by Dagmar Llewelly (BOR), Carolyn Donnelly (BOR), Andy Wood (UCAR), and Flaivo Lehner (UCAR) focused on how stream forecasts are developed from snow information and how the forecasts are

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Southern Rincon Valley in Doña Ana County, New Mexico
April 22, 2020

Changes in population, agricultural practices, and climate are increasing demands on available water resources, particularly groundwater, in the southwest.

TNMCorps Mapping Challenge: City/Town Halls in AZ, NM and UT w/ Incorporated Places
January 16, 2020

Calling all Peer Reviewers and Advanced Editors! This challenge is SO CLOSE to being finished!! 

TNMCorps Mapping Challenge: City/Town Halls in AZ, NM and UT
January 6, 2020

This challenge is close to being finished with over 100 points added since our last update - nice work!  However, there are still several green points that we need our Peer Reviewers and Advanced Editors to help review.

TNMCorps Mapping Challenge: City/Town Halls in AZ, NM and UT
December 18, 2019

Here is the weekly update for this challenge!  If you're looking for a break from the snow and the cold, come take a virtual tour of the southwest while helping us to collect city/town hall structures! 

TNMCorps Mapping Challenge: City/Town Halls in AZ, NM and UT
December 12, 2019

Topo maps in the West will soon be updated, so we've opened a new challenge for city/town halls in Utah, New Mexico, and Arizona!  

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.

Photo of an active oil and gas pad on Bureau of Land Management lands near Canyonlands National Park, Utah.
February 12, 2019

Recovery of vegetation on plugged and abandoned oil and gas well sites on the Colorado Plateau is influenced by time, moisture, nonnative plants and the type of plant community that was originally in place before well sites were constructed, according to a recently published study by the U.S. Geological Survey.

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