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 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: 5,302
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Year Published: 2020

Runoff-initiated post-fire debris flow Western Cascades, Oregon

Wildfires dramatically alter the hydraulics and root reinforcement of soil on forested hillslopes, which can promote the generation of debris flows. In the Pacific Northwest, post-fire shallow landsliding has been well documented and studied, but the potential role of runoff-initiated debris flows is not well understood and only one previous to...

Wall, Sara; Roering, J.J.; Rengers, Francis K.

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Year Published: 2020

Learning from real-world experience to understand renewable energy impacts to wildlife

The project team sought to use real-world data to understand adverse effects to wildlife of renewable energy production that is critical to meeting California’s climate and clean energy goals. The project had three main components. First, a systematic literature review studied 20 peer-reviewed publications and 612 reports from other nonreviewed...

Conkling, Tara J; Vander Zanden, Hannah B.; Poessel, Sharon; Loss, Scott R.; Allison, Taber D; Diffendorfer, James E.; Duerr, Adam E.; Nelson, David M.; Yee, Julie L; Katzner, Todd E.

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Year Published: 2020

NGWA Groundwater Modeling Advisory Panel Survey on the Use of Uncertainty Analysis in Groundwater Modeling

This white paper provides the results of a survey by members of the NGWA Groundwater Modeling Advisory Panel to assess the use of uncertainty analysis in groundwater modeling.The objective of the survey was to improve understanding of the use of uncertainty analysis in practical groundwater modeling projects subject to real-world constraints, such...

Luis, Steve; Schulmeyer, Pete; Bean, David; Newman, Connor P.; Puddephatt, Dan; Sheets, Rodney A.; Hunt, Randall J.

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Year Published: 2020

Major hydrostratigraphic contacts of the Truxton basin and Hualapai Plateau, northwestern Arizona, developed from airborne electromagnetic data

The area surrounding the Grand Canyon has spectacular outcrop exposure in the modern canyon walls, leading to stratigraphic contact delineations that are well constrained near canyons yet poorly constrained where the terrain remains undissected and relatively unexplored by boreholes. An airborne electromagnetic and magnetic survey of the western...

Mason, Jon P.; Ball, Lyndsay B.
Ball, L.B., 2020, Major hydrostratigraphic contacts of the Truxton basin and Hualapai Plateau, northwestern Arizona, developed from airborne electromagnetic data, chap. D of Mason, J.P., ed., Geophysical surveys, hydrogeologic characterization, and groundwater flow model for the Truxton basin and Hualapai Plateau, northwestern Arizona: U.S. Geological Survey Scientific Investigations Report 2020–5017, 24 p., https://doi.org/10.3133/sir20205017D.

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Year Published: 2020

Probabilistic seismic hazard analysis at regional and national scale: State of the art and future challenges

Seismic hazard modelling is a multi-disciplinary science that aims to forecast earthquake occurrence and its resultant ground shaking. Such models consist of a probabilistic framework that quantifies uncertainty across a complex system; typically, this includes at least two model components developed from Earth science: seismic-source and ground-...

Gerstenberger, M. C.; Marzocchi, W.; Allen, T. J.; Pagani, M.; Adams, Janice; Danciu, L.; Field, Edward H.; Fujiwara, H.; Luco, Nicolas; Ma, K-F; Meletti, C.; Petersen, Mark D.

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Year Published: 2020

Climatically driven displacement on the Eglington fault, Las Vegas, Nevada

The Eglington fault is one of several intrabasinal faults in the Las Vegas Valley, Nevada and is the only one recognized as a source for significant earthquakes. Its broad warp displaces late Pleistocene paleo-spring deposits of the Las Vegas Formation, which record hydrologic fluctuations that occurred in response to millennial and submillennial-...

Springer, Kathleen B.; Pigati, Jeffrey S.

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Year Published: 2020

Pyrrhotite distribution in the conterminous United States, 2020

In parts of Connecticut and Massachusetts, foundations of some homes are cracking and crumbling. Failing foundations can reduce the market value of a home and lifting a house to replace and repour a foundation is an expensive undertaking. In response, some homeowners are defaulting on their mortgages and abandoning their homes. The...

Mauk, Jeffrey L.; Crafford, Thomas C.; Horton, John D.; San Juan, Carma A.; Robinson,, Gilpin R.
Mauk, J.L., Crafford, T.C., Horton, J.D., San Juan, C.A., and Robinson, G.R., Jr., 2020, Pyrrhotite distribution in the conterminous United States, 2020: U.S. Geological Survey Fact Sheet 2020-3017, 4 p., https://doi.org/10.3133/fs20203017.

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Year Published: 2020

Characterization of feed coals and coal combustion byproducts from the Wyodak-Anderson coal zone, Powder River Basin, Wyoming

The U.S. Geological Survey (USGS) determined the physical and chemical properties of more than 260 feed coal and coal combustion byproducts from two coal-fired power plants. These plants utilized a low-sulfur (0.23-0.47 wt. % S) and low ash (4.9-6.3 wt. % ash) subbituminous coal from the Wyodak-Anderson coal zone in the Tongue River Member of the...

Brownfield, Michael E.

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Year Published: 2020

Climate explorer: Improved access to local climate projections

The goal of the U.S. Climate Resilience Toolkit’s (CRT) Climate Explorer (CE) is to provide information at appropriate spatial and temporal scales to help practitioners gain insights into the risks posed by climate change. Ultimately, these insights can lead to groups of local stakeholders taking action to build their resilience to a changing...

Lipschultz, Fredric ; Herring, David ; Ray, Andrea J. ; Alder, Jay R.; Dahlman, LuAnn ; DeGaetano, Arthur ; Fox, James F. ; Gardiner, Edward ; Herring, Jamie; Hicks, Jeff ; Melton, Forrest; Morefield, Philip E. ; Sweet, William

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Year Published: 2020

Quantifying interregional flows of multiple ecosystem services – A case study for Germany

Despite a growing number of national-scale ecosystem service (ES) assessments, few studies consider the impacts of ES use and consumption beyond national or regional boundaries. Interregional ES flows – ecosystem services “imported” from and “exported” to other countries – are rarely analyzed and their importance for global sustainability is...

Kleeman, Janina; Schröter, Matthias; Bagstad, Kenneth J.; Kuhlicke, Christian; Kastner, Thomas; Fridman, Dor; Schulp, Catharina J. E.; Wolff, Sarah; Martinez-Lopez, Javier; Koellner, Thomas; Arnhold, Sebastian; Martin-Lopez, Berta; Marques, Alexandra; Lopez-Hoffman, Laura; Liu, Jianguo; Kissinger, Meidad; Guerra, Carlos; Bonn, Aletta

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Year Published: 2020

Geologic map of Petroglyph National Monument and vicinity, Bernalillo County, New Mexico

This geologic map depicts and briefly describes geologic units underlying Petroglyph National Monument and immediately adjacent areas in Bernalillo County, New Mexico. The Monument is underlain dominantly by Quaternary basalts of the Albuquerque Volcanoes volcanic field, a series of basin-filling volcanic flows and associated vents from a...

Thompson, Ren A.; Chan, Christine F.; Gilmer, Amy K.; Shroba, Ralph R.
Thompson, R.A., Chan, C.F., Gilmer, A.K., and Shroba, R.R., 2020, Geologic map of Petroglyph National Monument and vicinity, Bernalillo County, New Mexico: U.S. Geological Survey Scientific Investigations Map 3447, scale 1:24,000, https://doi.org/10.3133/sim3447.

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Year Published: 2020

Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona

The Red Mountain porphyry copper-molybdenum deposit (Cu-Mo deposit or PCD) is located in the northern part of the Patagonia Mountains, Santa Cruz County, Arizona. Extensive core drilling has delineated a large, deep-seated, structurally intact mineral system that extends from the present surface to depths of more than 1,765 meters. This system is...

Chaffee, Maurice
Chaffee, M.A., 2020, Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona: U.S. Geological Survey Scientific Investigations Report 2019–5077, 164 p., https://doi.org/10.3133/sir20195077.

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: 524
USGS Streamgage Destroyed by Flood Flows
July 1, 2011

Flood Waters Take USGS Streamgage Wind River near Crowheart, WY

Gagehouse at 06225500 Wind River near Crowheart WY right before it washed away.

Jul 01 2011; 13,900 ft3/s

Image: Flooding in Northwest Colorado
June 30, 2011

Flooding in Northwest Colorado

High floodwaters partially submerge a USGS streamgaging station in Slater Fork, CO.

Image: Flooding in Northwest Colorado
June 7, 2011

Flooding in Northwest Colorado

High floodwaters on the Elk River upstream of Routt County Road 42 near Milner, CO.

Image: Flooding in Northwest Colorado
June 7, 2011

Flooding in Northwest Colorado

High floodwaters on the Elk River upstream of Routt County Road 42 near Milner, CO

Image: Flooding in Northwest Colorado
June 3, 2011

Flooding in Northwest Colorado

A roadway is broken down due to high streamflow near Slater, CO. A USGS streamgage can be seen next to the road.

Image: Flooding in Northwest Colorado
June 3, 2011

Flooding in Northwest Colorado

Floodwaters partially submerge a USGS streamgage station near Slater, CO.

Image: 2011 Great Salt Lake Breach at Lakeside, Utah
May 24, 2011

2011 Great Salt Lake Breach at Lakeside, Utah

Water flowing through the Great Salt Lake breach in 2011, when lake levels were high due to above average snowfall in the Wasatch and Uinta Mountains. The Great Salt Lake breach is an area that allows water to travel between the southern and northern parts of the lake.

Collecting a groundwater sample using a mobile laboratory at Jackson Hole Airport
April 11, 2011

Collecting a groundwater sample using a mobile laboratory at Jackson H

Collecting a groundwater sample using a mobile laboratory at Jackson Hole Airport

View of Jackson Hole Airport and the Teton Range
April 11, 2011

View of Jackson Hole Airport and the Teton Range

View of Jackson Hole Airport and the Teton Range

Taking a water-level measurement in a monitoring well at Jackson Hole Airport
February 10, 2011

Taking a water-level measurement in a monitoring well at Jackson Hole

Taking a water-level measurement in a monitoring well at Jackson Hole Airport.

Invasive brown treesnake
November 12, 2010

Invasive brown treesnake

Brown treesnakes were a major contributor to the loss of nine of 11 native forest birds on Guam.

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.