Unified Interior Regions

Region 7: Upper Colorado Basin

Map of Region 7 Upper Colorado River Basin

Map of Region 7 Upper Colorado River 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: 4,993
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Year Published: 2019

Assessment of Mesozoic tight-oil and tight-gas resources in the Sichuan Basin of China, 2018

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 1.2 billion barrels of tight oil and 29.1 trillion cubic feet of tight gas in Mesozoic formations in the Sichuan Basin of China.

Potter, Christopher J.; Schenk, Christopher J.; Mercier, Tracey J.; Tennyson, Marilyn E.; Finn, Thomas M.; Woodall, Cheryl A.; Leathers-Miller, Heidi M.; Marra, Kristen R.; Le, Phuong A.; Drake, Ronald M.; Brownfield, Michael E.; Pitman, Janet K.
Potter, C.J., Schenk, C.J., Mercier, T.J., Tennyson, M.E., Finn, T.M., Woodall, C.A., Leathers-Miller, H.M., Marra, K.R., Le, P.A., Drake, R.M., II, Brownfield, M.E., and Pitman, J.K., 2019, Assessment of Mesozoic tight-oil and tight-gas resources in the Sichuan Basin of China, 2018: U.S. Geological Survey Fact Sheet 2019–3010, 2 p., https://doi.org/10.3133/fs20193010.

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Year Published: 2019

The rise of an apex predator following deglaciation

AimSea otters (Enhydra lutris) are an apex predator of the nearshore marine community and nearly went extinct at the turn of the 20th century. Reintroductions and legal protection allowed sea otters to re‐colonize much of their former range. Our objective was to chronicle the colonization of this apex predator in Glacier Bay, Alaska, to help...

Hooten, Mevin; Esslinger, George G.

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Year Published: 2019

Rare earth element mineral deposits in the United States

Because of their unique special chemical properties, many of the metals in the group of rare earth elements (REEs) have essential applications in 21st century technologies. Examples of products that use REEs are cell phones, computers, fluorescent and light-emitting-diode lights, flat-screen television and computer monitors, and in high-strength...

Van Gosen, Bradley S.; Verplanck, Philip L.; Emsbo, Poul
Van Gosen, B.S., Verplanck, P.L., and Emsbo, Poul, 2019, Rare earth element mineral deposits in the United States (ver 1.1, April 15, 2019): U.S. Geological Survey Circular 1454, 16 p., https://doi.org/10.3133/cir1454.

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Year Published: 2019

Exotic Seismic Events Catalog (ESEC) Data Product

Nonearthquake seismic events from sources such as landslides, debris flows, dam collapses, floods, glaciers, and avalanches are rarely included in traditional earthquake catalogs. The new Incorporated Research Institutions for Seismology (IRIS) Data Management Center Exotic Seismic Events Catalog data product provides information on such events to...

Bahavar, Manoch; Allstadt, Kate E.; Fossen, Mick Van; Malone, Stephen; Trabant, Chad

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Year Published: 2019

A landscape model of variable social-ecological fire regimes

Fire regimes are now recognized as the product of social processes whereby fire on any landscape is the product of human-generated drivers: climate change, historical patterns of vegetation manipulation, invasive species, active fire suppression, ongoing fuel management efforts, prescribed burning, and accidental ignitions. We developed a new...

Scheller, Robert M; Kretchun, Alec; Hawbaker, Todd; Henne, Paul D.

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Year Published: 2019

Biases in the literature on direct wildlife mortality from energy development

Comparing environmental impacts of different energy sources can inform energy investments and environmental conservation. Direct wildlife mortality from energy development receives substantial public and scientific attention, but it is unclear whether rigorous comparisons of mortality among energy sources are possible. To address this question, we...

Loss, Scott R.; Dorning, Monica; Diffendorfer, James E.

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Year Published: 2019

A stratigraphic approach to inferring depositional ages from detrital geochronology data

With the increasing use of detrital geochronology data for provenance analyses, we have also developed new constraints on the age of otherwise undateable sedimentary deposits. Because a deposit can be no older than its youngest mineral constituent, the youngest defensible detrital mineral age defines the maximum depositional age of the sampled bed...

Johnstone, Samuel A.; Schwartz, Theresa M.; Holm-Denoma, Christopher S.

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Year Published: 2019

Holocene thermokarst lake dynamics in northern Interior Alaska: The interplay of climate, fire, and subsurface hydrology

The current state of permafrost in Alaska and meaningful expectations for its future evolution are informed by long-term perspectives of previous permafrost degradation. Thermokarst processes in permafrost landscapes often lead to widespread lake formation and the spatial and temporal evolution of thermokarst lake landscapes reflects the combined...

Anderson, Lesleigh; Mary E. Edwards; Mark D. Shapley; Bruce P. Finney; Catherine Langdon

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Year Published: 2019

Bioavailable iron production in airborne mineral dust: Controls by chemical composition and solar flux

A large part of oceanic biological production is limited by the scarcity of dissolved iron. Mineral dust aerosol, processed under acidic atmospheric conditions, is the primary natural source of bioavailable iron to oceanic life. However, synergistic and antagonistic effects of non-Fe-containing minerals on atmospheric...

Hettiarachchi, Eshani; Reynolds, Richard L.; Goldstein, Harland L.; Moskowitz, Bruce M.; Rubasinghege, Gayan

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Year Published: 2019

Groundwater Conditions in Utah, Spring of 2018

This is the fifty-fifth in a series of annual reports that describe groundwater conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Department of Natural Resources, Division of Water Rights, and the Utah Department of Environmental Quality, Division of Water...

Smith, Lincoln; Birken, Adam S.; Klebba, Phillip H.; Jones, Katherine K.; Derrick, V. Noah ; Downhour, Paul; Eacret, Robert J.; Gibson, Travis L.; Slaugh, Bradley A.; Whittier, Nickolas R.; Douglas, Brandon P.; LaBonte, Douglas V.; Fisher, Martel J.

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Year Published: 2019

Factors controlling landslide frequency-area distributions

A power‐law relation for the frequency–area distribution (FAD) of medium and large landslides (e.g. tens to millions of square meters) has been observed by numerous authors. But the FAD of small landslides diverges from the power‐law distribution, with a rollover point below which frequencies decrease for smaller landslides. Some studies conclude...

Tanyaş, Hakan; van Westen, Cees J.; Allstadt, Kate E.; Jibson, Randall W.

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Year Published: 2019

Mammut pacificus sp. nov., a newly recognized species of mastodon from the Pleistocene of western North America

A new species of mastodon from the Pleistocene of western North America, Mammut pacificus sp. nov. is herein recognized, with specimens identified throughout California and from two localities in southern Idaho. This new taxon differs from the contemporaneous M. americanum in having narrower teeth, most prominently in M3/m3, as...

Dooley Jr., Alton C; Scott, Eric; Green, Jeremy; Springer, Kathleen B.; Dooley, Brett; Smith, Gregory J.

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: 520
False-colored-composite satellite image, Great Salt Lake, Sept 1987
September 29, 1987

False-colored-composite satellite image, Great Salt Lake, Sept 1987

This is a false-colored-composite satellite image of the Great Salt Lake, taken in Sept, 1987. Vegetation appears red.

False-colored-composite satellite image, Great Salt Lake, Sept 1972
September 13, 1972

False-colored-composite satellite image, Great Salt Lake, Sept 1972

This is a false-colored-composite satellite image of Great Salt Lake, Sept 1972. The vegetation appears red.

rockslide
December 31, 1959

Rockslide damage to the Golden Gate area near Mammoth Hot Springs

Rockslide damage to the Golden Gate area near Mammoth Hot Springs, Yellowstone National Park, as a result of the 1959 Hebgen Lake earthquake.

Sapphire Pool erupting
December 31, 1959

Sapphire Pool, in the Upper Geyser Basin, erupting after the 1959 Hebg

Sapphire Pool, in the Upper Geyser Basin, erupting after the 1959 Hebgen Lake earthquake.

old-fashioned black and white photo of erupting geyser, and people standing around looking at it
December 31, 1878

Old Faithful Geyser erupting, c.1878

Old Faithful Geyser in Upper Geyser Basin. 1878(?). Yellowstone National Park, Wyoming. U.S. Geological and Geographical Survey of the Territories (Hayden Survey).

Three men posed under a canvas tent
October 31, 1868

Clarence King in camp, Salt Lake City, Utah

Clarence King in camp, Salt Lake City, Utah. United StatesGeological Exploration of the Fortieth Parallel (King Survey). 1868. Plate 96: Clarence King in camp, near Salt Lake City, Utah. October 1868.
(Photo by T.H. O'Sullivan.) 

Webcam image of the Pecos River near Acme, New Mexico - Site #08386000

Pecos River Webcam Near Acme, NM

Webcam image of the Pecos River near Acme, New Mexico - Site #08386000

Image: USGS Researcher at Mesa Alta, New Mexico

USGS Researcher at Mesa Alta, New Mexico

USGS researcher Craig Allen stands on the edge of Mesa Alta, amid diverse forest and woodland in the uplands of northern New Mexico; note some recently dead ponderosa pine and Douglas-fir in the field of view. Forest drought stress is strongly correlated with tree mortality from poor growth, bark beetle outbreaks, and high-severity fire.

Plot of realtime snow weather conditions at Snow Mountain Ranch Meteorologic Site, Colorado

Snow Mountain Ranch Meteorologic Site

Realtime snow weather conditions (temperature, relative humidity, wind speed, snow depth) at Snow Mountain Ranch meteorological site in Colorado.

Image: Elk in Northwestern Wyoming

Elk in Northwestern Wyoming

Elk congregate on the Camp Creek Feed Ground in northwestern Wyoming.

Image: Prescribed Fire at Sunset in the Jemez Mountains, New Mexico

Prescribed Fire at Sunset in the Jemez Mountains, New Mexico

Sunset as seen through the smoke of a prescribed burn in the Jemez Mountains, New Mexico. The burn was conducted to restore fire as an ecosystem process and reduce hazardous tree densities and fuel loads due to more than 100 years of fire suppression. Foreground trees (Douglas-fir and aspen) were killed during the Cerro Grande fire in 2000. Forest drought stress is

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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.