Unified Interior Regions

Region 7: Upper Colorado Basin

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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: 378
Date published: June 12, 2016
Status: Active

Rio Grande Transboundary Integrated Hydrologic Model: Modeling Conjunctive Use to Support Resource Management

The Palomas, Mesilla, and Conejos-Médanos Basins in New Mexico, Texas, and northern Mexico compose a geologically and hydrologically complex region. The conjunctive use of surface water and groundwater takes place under a myriad of legal and operational constraints, including the Rio Grande Compact, an international treaty, and the U.S. Bureau of Reclamation’s Rio Grande Project. New demands...

Contacts: Andre Ritchie
Date published: June 4, 2016
Status: Active

Upper Rio Grande Basin Focus Area Study

The Upper Rio Grande Basin (URGB) of Colorado, New Mexico, Texas, and northern Mexico was chosen as a focus area study (FAS) for the USGS National Water Census. The conjunctive use of water in the URGB takes place under a myriad of legal constraints including the Rio Grande Compact agreement between the States, an international treaty with Mexico, and several federal water projects....

Contacts: For contact information, please reach out to:
Date published: May 29, 2016
Status: Completed

National Water-Quality Assessment Program (NAWQA) Rio Grande Valley Study

The New Mexico Water Science Center (NMWSC) has historically conducted NAWQA data collection of groundwater and surface water-data within the former Rio Grande Valley (RIOG) study unit, which covers about 45,700 square miles in Colorado, New Mexico, and Texas.

Contacts: Rebecca Travis
Date published: May 25, 2016
Status: Completed

Cannon Air Force Base: Seasonal Potentiometric Surfaces and Groundwater-Level Trends

Declining water levels and a history of high nitrate concentrations in groundwater near and on Cannon Air Force Base (CAFB) necessitated a more detailed assessment of groundwater flow directions than has been done in the past. Previous potentiometric-surface maps were sufficient for showing regional directions of groundwater flow, but more detailed seasonal (summer high-pumping and winter low-...

Contacts: Nathan Myers
Date published: May 25, 2016
Status: Completed

Reconstruction of an Avalanche: The West Salt Creek Rock Avalanche

Release Date: MAY 25, 2016

The West Salt Creek Rock Avalanche, Colorado, May 25, 2014

Date published: May 23, 2016
Status: Active

Identifying Changes in Background Water-Quality Conditions, Arkansas River and Fountain Creek, near Pueblo, Colorado

Demands for water are projected to increase in the Lower Arkansas River Basin as the population continues to grow. Strategies to meet those demands include continued operation of the Fryingpan-Arkansas Project water, enlargement of Pueblo and Turquoise Reservoirs, and various conservation measures; the overall strategy is defined in the Preferred Storage Options...

Date published: May 18, 2016
Status: Active

Salinity Trends in Shallow Groundwater, Rincon and Mesilla Valley, New Mexico

Data from monitoring sites at Rincon Valley and Mesilla Valley.

Contacts: Lauren R Henson
Date published: May 10, 2016
Status: Active

Drilling Replacement Monitoring Wells near the San Juan Coal Mine, NW New Mexico

The San Juan Coal Mine, an underground mine located about 12 miles west-northwest of Farmington, NM, supplies coal to the adjacent San Juan Generating Station. 

Date published: May 6, 2016
Status: Active

Amphibian Research and Monitoring Initiative: Rocky Mountain Region

The Rocky Mountain Region of Amphibian Research and Monitoring Initiative (ARMI) encompasses Montana, Wyoming, Colorado, and New Mexico. Two USGS Science Centers initiate and develop ARMI projects in this region. Investigations at NOROCK are headed by Dr. Blake Hossack. Investigations at the Fort Collins Science Center (FORT), Colorado, are headed by Dr. Erin Muths. The ARMI program is based...

Contacts: Blake Hossack
Date published: April 18, 2016
Status: Completed

IGBST Grizzly Bear Food Synthesis Report

How to Cite:  Interagency Grizzly Bear Study Team. 2013. Response of Yellowstone grizzly bears to changes in food resources: a synthesis. Report to the Interagency Grizzly Bear Committee and Yellowstone Ecosystem Subcommittee. Interagency Grizzly Bear Study Team, U.S. Geological Survey, Northern Rocky Mountain Science Center, Bozeman, Montana, USA.

Date published: April 13, 2016
Status: Active

Yellowstone Lake Acoustic Biotelemetry Project Home Page

Fishery biologists and managers are increasingly consumed with the recovery and restoration of native trout and salmon throughout the western United States. These fish historically inhabited a variety of freshwater habitats, but have declined due to habitat degradation, fragmentation and introduction of nonnative species. Introduced fishes constitute a major threat to the persistence of native...

Contacts: Bob Gresswell
Date published: April 12, 2016
Status: Active

Developing stream temperature networks for the Greater Yellowstone to aid in managing aquatic resources under a changing climate

The topographic diversity and extensive area of protected public land within the Greater Yellowstone demonstrate the importance of this region as a natural resource reserve. Understanding the effects of anticipated changes in climate on aquatic resources and means for managing these resources will ultimately require accurate linkages between empirical data and regional climatic patterns. This...

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: 253
Date published: September 20, 2011

Three-dimensional hydrogeologic framework for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states

This dataset was created in support of a study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western...

Date published: September 20, 2011

1:1,000,000-scale estimated outer extent of areas of groundwater discharge as evapotranspiration for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states

This dataset was created in support of a study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western...

Date published: September 20, 2011

1:1,000,000-scale hydrographic areas and flow systems for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states

This dataset was created in support of a USGS study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province.

Date published: September 20, 2011

1:1,000,000-scale potentiometric contours and control points for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states

This dataset consists of potentiometric contours, control points used to guide the creation of the contours, and a grid of 2 square-mile cells used to average the water-level value of selected control points. Control points are based on water-level measurements at well and spring locations from the USGS National Water Information System (NWIS).

Date published: December 1, 2010

Oil Shale Data Downloads

This page accesses data for Oil Shale Assessments of PIceance, Uinta and Green River Basins.  It also includes fischer assays and scans of well logs in the Colorado Piceance Basin.   

Date published: October 1, 2010

Flood Database for Colorado

The U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, created a Web-based geodatabase for information on floods from 1867 through water year 2015.  The flood database also contains information on paleofloods occurring in the past 5,000 to 10,000 years.  

Date published: June 11, 2010

Oil and Gas Well locations, Upper Colorado River Basin, 2007

This dataset was used as the basis for estimating land disturbance from oil and gas activity in the UCRB. The dataset is a compilation of five state oil and gas datasets from June of 2007. The intended uses of this data set include, but are not limited to, natural resource modeling, mapping, and visualization applications.

Date published: January 1, 2009

1:1,000,000-scale Hydrographic Areas of the Great Basin

This data set consists of hydrographic area and major flow system boundaries and polygons delineated at 1:1,000,000-scale for the Great Basin.

Date published: January 1, 2009

Black Canyon of the Gunnison Decision Support System (BCG_DSS)

This is a macro-embedded EXCEL program designed to easily accept input from downloaded stream gage records or output from the RIVERWARE reservoir operations model being used for the upstream Aspinall Unit. 

Date published: October 1, 2007

Geospatial database of ground-water altitude and depth-to-ground-water data for Utah, 1971-2000

The U.S. Geological Survey (USGS), in cooperation with the Utah Department of Environmental Quality has developed a geographic database of selected ground-water-level altitude contours and surfaces for Utah. The contour data are derived from studies published by the USGS and the State of Utah.

Date published: January 1, 2007

Hydrographic Areas Within the Basin and Range Carbonate-Rock Aquifer System, White Pine County, Nevada and Adjacent Areas in Nevada and Utah

This data set consists of sub delineations of the hydrographic area (HA) boundaries and polygons drawn at 1:1,000,000 scale for the Great Basin supplemented by information from HA drawn at 1:750,000 scale where necessary. See the process steps for more information.

Date published: August 20, 2004

Water, Energy, and Biogeochemical Budgets (WEBB): Loch Vale Data

The chemistry of streams and lakes have been monitored in Loch Vale since 1983. Changes in stream and lake chemistry have been traced to variations in climate and atmospheric deposition of pollutants. Samples are collected throughout the year in Loch Vale. This provides information on seasonal variations in stream and lake chemistry.

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Year Published: 2019

Mechanisms of methane hydrate formation in geological systems

Natural gas hydrates are ice-like mixtures of gas (mostly methane) and water that are widely found in sediments along the world’s continental margins and within and beneath permafrost in a near-surface depth interval where the pressure is sufficiently high and temperature sufficiently low for gas hydrate to be stable. Beneath this interval, gas...

Kehua You; Peter B. Flemings; Alberto Malinverno; Collett, Timothy; Kristopher Darnell

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Year Published: 2019

Airborne radiometric maps of Mountain Pass, California

Geophysical investigations of Mountain Pass and vicinity were begun as part of an effort to study regional crustal structures as an aid to understanding the geologic framework and mineral resources of the eastern Mojave Desert. The study area encompasses Mountain Pass, host to one of the world’s largest rare earth element carbonatite deposits. The...

Ponce, David A.; Ponce, David A.; Denton, Kevin M.
Ponce, D.A., and Denton, K.M. (D.A. Ponce, ed.), 2019, Airborne radiometric maps of Mountain Pass, California: U.S. Geological Survey Scientific Investigations Map 3412–C, scale 1:62,500, https://doi.org/10.3133/sim3412C.

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Year Published: 2019

Evaluation of groundwater resources in the Spanish Valley Watershed, Grand and San Juan Counties, Utah

Groundwater resources in the Spanish Valley watershed in southern Utah were quantified for the first time since the early 1970s. The primary objectives of this study were (1) to better understand sources of recharge to, groundwater flow directions within, and discharge points for both the valley-fill and Glen Canyon Group aquifers (VFA and GCGA),...

Masbruch, Melissa D.; Gardner, Philip M.; Nelson, Nora C.; Heilweil, Victor M.; Solder, John E.; Hess, Michael D.; McKinney, Tim S.; Briggs, Martin A.; Solomon, D. Kip
Masbruch, M.D., Gardner, P.M., Nelson, N.C., Heilweil, V.M., Solder, J.E., Hess, M.D., McKinney, T.S., Briggs, M.A., and Solomon, D.K., 2019, Evaluation of groundwater resources in the Spanish Valley Watershed, Grand and San Juan Counties, Utah: U.S. Geological Survey Scientific Investigations Report 2019–5062, 86 p., https://doi.org/10.3133/sir20195062.

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Year Published: 2019

Recognition and significance of Late Devonian fluvial, estuarine, and mixed siliciclastic-carbonate nearshore marine environments in the San Juan Mountains (southwestern Colorado, U.S.A.): Multiple incised valleys backfilled by lowstand and transgressive system tracts

The Upper Devonian Ignacio Formation (as stratigraphically revised) comprises a transgressive, tide-dominated estuarine depositional system in the San Juan Mountains (Colorado, USA). The unit backfills at least three bedrock paleovalleys (10–30 km wide and ≥42 m deep) with a consistent stratigraphy of tidally influenced fluvial, bayhead-delta,...

Evans, James E.; Maurer, Joshua T; Holm-Denoma, Christopher S.

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Year Published: 2019

Use of Set Blanks in Reporting Pesticide Results at the U.S. Geological Survey National Water Quality Laboratory, 2001–15

Executive SummaryBackground.—Pesticide results from the U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) are used for water-quality assessments by many agencies and organizations. The USGS is committed to providing data of the highest possible quality to the consumers of its data. A cooperator’s inquiries about specific...

Medalie, Laura; Sandstrom, Mark W.; Toccalino, Patricia L.; Foreman, William T.; ReVello, Rhiannon C.; Bexfield, Laura M.; Riskin, Melissa L.
Medalie, L., Sandstrom, M.W., Toccalino, P.L., Foreman, W.T., ReVello, R.C., Bexfield, L.M., and Riskin, M.L., 2019, Use of set blanks in reporting pesticide results at the U.S. Geological Survey National Water Quality Laboratory, 2001–15: U.S. Geological Survey Scientific Investigations Report 2019–5055, 147 p., https://doi.org/10.3133/sir20195055.

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Year Published: 2019

Occurrence and sources of radium in groundwater associated with oil fields in the southern San Joaquin Valley, California

Geochemical data from 40 water wells were used to examine the occurrence and sources of radium (Ra) in groundwater associated with three oil fields in California (Fruitvale, Lost Hills, South Belridge). 226Ra+228Ra activities (range=0.010-0.51 Bq/L) exceeded the 0.185 Bq/L drinking-water standard in 18% of the wells (not drinking-water wells)....

McMahon, Peter B.; Avner Vengosh; Davis, Tracy; Landon, Matthew K.; Rebecca L. Tyne; Wright, Michael; Kulongoski, Justin T.; Hunt, Andrew G.; Peter H. Barry; A.J. Kondash; Z. Wang; Christopher J. Ballentine
McMahon, P.B., A. Vengosh, T.A. Davis, M.K. Landon, R.L. Tyne, M.T. Wright, J.T. Kulongoski, A.G. Hunt, P.H. Barry, A.J. Kondash, Z. Wang, C.J. Ballentine, 2019. Occurrence and sources of radium in groundwater associated with oil fields in the southern San Joaquin Valley, California. Environmental Science & Technology, 53, 9398-9406.

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Year Published: 2019

An initial assessment of areas where landslides could enter the West Arm of Glacier Bay, Alaska and implications for tsunami hazards

Tsunamis generated by landslides in Glacier Bay are uncommon, but have potential to be extraordinarily destructive when they occur. This article identifies areas that are susceptible to landslides that could generate tsunamis and discusses approaches to characterize hazard and risk from these events.

Coe, Jeffrey A.; Schmitt, Robert G.; Bessette-Kirton, Erin

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Year Published: 2019

Estimation of base flow by optimal hydrograph separation for the conterminous United States and implications for national-extent hydrologic models

Optimal hydrograph separation (OHS) uses a two-parameter recursive digital filter that applies specific conductance mass-balance constraints to estimate the base flow contribution to total streamflow at stream gages where discharge and specific conductance are measured. OHS was applied to U.S. Geological Survey (USGS) stream gages across the...

Foks, Sydney; Raffensperger, Jeff P.; Penn, Colin A.; Driscoll, Jessica M.

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Year Published: 2019

Timescales of water-quality change in a karst aquifer, south-central Texas

Understanding the drivers and timescales over which groundwater quality changes informs groundwater management, use, and protection. To better understand timescales of water-quality change over short (daily to monthly) and long (seasonal to decadal) timescales, the U.S. Geological Survey’s National Water-Quality Assessment (NAWQA) Enhanced Trends...

Musgrove, MaryLynn; Solder, John E.; Opsahl, Stephen P.; Wilson, Jennifer T.

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Year Published: 2019

Hydrogeologic framework and delineation of transient areas contributing recharge and zones of contribution to selected wells in the upper Santa Fe Group aquifer, southeastern Albuquerque, New Mexico, 1900–2050

The Santa Fe Group aquifer is an important source of water to communities within the Middle Rio Grande Basin, including the Albuquerque-Rio Rancho metropolitan area and Kirtland Air Force Base, New Mexico. In November 1999, Kirtland Air Force Base personnel observed fuel-stained soils at the Bulk Fuels Facility on the base. Subsequent pressure...

Myers, Nathan C.; Friesz, Paul J.
Myers, N.C., and Friesz, P.J., 2019, Hydrogeologic framework and delineation of transient areas contributing recharge and zones of contribution to selected wells in the upper Santa Fe Group aquifer, southeastern Albuquerque, New Mexico, 1900–2050: U.S. Geological Survey Scientific Investigations Report 2019–5052, 73 p., https://doi.org/10.3133/sir20195052.

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Year Published: 2019

Baseline groundwater hydrology and water quality in and around Bluff, Utah

Southeastern Utah has a long history of oil and gas production. Two new hydrocarbon extraction wells have been proposed several miles northeast of the town of Bluff, Utah. In response to concern about the impacts of oil and gas extraction in the area on drinking-water quality, this study provides groundwater quality and hydrologic baseline data...

Miller, Olivia L.
Miller, O.L., 2019, Baseline groundwater hydrology and water quality in and around Bluff, Utah: U.S. Geological Survey Open-File Report 2019–1076, 24 p., https://doi.org/10.3133/ofr20191076.

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Year Published: 2019

Luminescence as a sediment tracer and provenance tool

Luminescence holds unique potential as a sediment tracer and provenance method. The tracer application of luminescence has key advantages including ease of measurement, relatively low cost, and applicability to geologically ubiquitous quartz and feldspar sand and silt. These advantages can help answer fundamental questions about geomorphology,...

Gray, Harrison J.; Jain, Mayank; Sawakuchi, Andre; Mahan, Shannon A.; Tucker, Gregory E.

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: 515
February 23, 2016

Fitting a radio collar

Biologists with IGBST and the National Park Service fit a grizzly bear with a radio collar.  Once a bear is radio collared, biologists can track its movements with telemetry.

February 23, 2016

Telemetry by air

Once a grizzly bear is radio collared, biologists can track its movements with telemetry via airplane.  The IGBST also used the latest telemetry technologies, which allows downloading of GPS data from the radio collar via satellites.

February 23, 2016

Telemetry by foot

Once a grizzly bear is radio collared, biologists can track its movements with telemetry on foot.   

Rio Grande at New Mexico State Road 359 near Mesilla, N. Mex.
February 11, 2016

Rio Grande at New Mex. State Road 359

North-oriented view of the Rio Grande at New Mexico State Road 359 near Mesilla, N. Mex., February 11, 2016 (photograph by Nicholas R. Glaser, U.S. Geological Survey).

SIR 2016–5011

Rio Grande from New Mexico State Road 359 near Mesilla, N. Mex.
February 11, 2016

Rio Grande from New Mexico State Road 359, New Mex.

North-oriented view of the Rio Grande from New Mexico State Road 359 near Mesilla, N. Mex., February 11, 2016 (photograph by Nicholas R. Glaser, U.S. Geological Survey).

SIR 2016–5011

January 29, 2016

Precipitation Runoff Modeling System (PRMS) Summary Modules

Presents descriptions of the USGS Precipitation Runoff Modeling System (PRMS) Summary modules.
 

January 29, 2016

Precipitation Runoff Modeling System (PRMS) Soil Zone Modules

Presents descriptions of the USGS Precipitation Runoff Modeling System (PRMS) Soilzone module.
 

January 29, 2016

Precipitation Runoff Modeling System (PRMS) Streamflow Modules

Presents descriptions of the USGS Precipitation Runoff Modeling System (PRMS) streamflow routing modules.
 

January 29, 2016

Precipitation Runoff Modeling System (PRMS) Cascading Flow Option

Presents descriptions of the USGS Precipitation Runoff Modeling System (PRMS) cascading-flow computation option, which allows for reinfiltration across the land surface, shallow subsurface, and saturated zone
 

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: 329
USGS science for a changing world logo
March 23, 2006

A newly released study by the U.S. Geological Survey (USGS), prepared in cooperation with the City of Boulder, Colorado, provides an overview of water quality in the Boulder Creek Watershed today, and how it has changed over 160 years.

USGS science for a changing world logo
February 15, 2006

Products based on NASA Earth observations and a new Internet-based decision tool are providing information to help land and water managers combat tamarisk (saltcedar), an invasive plant species impacting precious water supplies in the western U.S.

USGS
February 15, 2006

Products based on NASA Earth observations and a new Internet-based decision tool are providing information to help land and water managers combat tamarisk (saltcedar), an invasive plant species impacting precious water supplies in the western U.S.

USGS
February 8, 2006

Ensuring stable water supplies has grown more complex as the challenges facing water managers continue to mount, especially in the West. Informed decisions of water users and public officials will be necessary to ensure sufficient freshwater resources in the future to support a growing population and economy. 

USGS
January 19, 2006

The U.S. Geological Survey (USGS) National Earthquake Center in Golden, Colo., today announced the implementation of a new 24/7 operation center and seismic event processing system, HYDRA. When combined, the round-the-clock on-site personnel and new technology are expected to cut in half the amount of time required to report information about earthquakes around the globe.

USGS
November 14, 2005

The U.S. Geological Survey (USGS) will teach 300 students how to find their place in space by using geographic information systems (GIS) on Wednesday, Nov. 16 in celebration of GIS Day 2005. 

USGS science for a changing world logo
October 25, 2005

Today, the USGS released The State of the Colorado River Ecosystem in Grand Canyon, a comprehensive report that details the impacts of the operation of Glen Canyon Dam and other management actions on downstream resources within Grand Canyon National Park.

USGS science for a changing world logo
October 14, 2005

U.S. Geological Survey (USGS) scientist Michelle Walvoord will be honored as the 2005 Subaru Outstanding Woman in Science at the annual Geological Society of America (GSA) meeting in Salt Lake City, Utah, on Oct. 15. Walvoord, who resides in Golden, is a Research Hydrologist at the USGS National Research Program in Lakewood.

USGS
October 14, 2005

U.S. Geological Survey (USGS) scientist Michelle Walvoord will be honored as the 2005 Subaru Outstanding Woman in Science at the annual Geological Society of America (GSA) meeting in Salt Lake City, Utah, on Oct. 15. Walvoord, who resides in Golden, is a Research Hydrologist at the USGS National Research Program in Lakewood.

USGS
October 4, 2005

The USGS announced today the start of the public-private competition that will determine current and future functions; and the number of personnel required by the National Geospatial Technical Operations Center (NGTOC) at the Denver Federal Center, an all government campus, located in Lakewood, Colo.

USGS
September 15, 2005

The USGS announced today (Sept. 15, 2005) that the National Geospatial Technical Operations Center (NGTOC) will be located in the city of Denver. The NGTOC will consolidate the functions and operations currently performed in four USGS mapping centers (Menlo Park, Calif.; Rolla, Mo.; Denver, Colo.; and Reston, Va.) and other distributed sites to one location.

USGS science for a changing world logo
September 15, 2005

The USGS announced today (Sept. 15, 2005) that the National Geospatial Technical Operations Center (NGTOC) will be located in the city of Denver. The NGTOC will consolidate the functions and operations currently performed in four USGS mapping centers (Menlo Park, Calif.; Rolla, Mo.; Denver, Colo.; and Reston, Va.) and other distributed sites to one location.

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.

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