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

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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: 5,295
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Year Published: 2019

300,000 yr history of water-table fluctuations at Wind Cave, South Dakota, USA—Scale, timing, and groundwater mixing in the Madison Aquifer

Deposits of calcite coating the lower passages of Wind Cave in the southern Black Hills of South Dakota were precipitated under phreatic conditions. Data from samples associated with a new cave survey and hydrologic studies indicate that past water tables within Wind Cave reached a maximum height of 45 m above modern levels but were mostly...

Paces, James; Palmer, Margaret V.; Palmer, Arthur N.; Long, Andrew J.; Emmons, Matthew P.

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Year Published: 2019

Protracted multipulse emplacement of a post-resurgent pluton: The case of Platoro caldera complex (Southern Rocky Mountain volcanic field, Colorado)

Many eroded calderas expose associated postcollapse plutons, but detailed fieldwork‐supported studies have rarely focused on the internal structure that can contribute to understanding of emplacement dynamics. The Alamosa River monzonite pluton is a postcollapse intrusion at the Platoro caldera complex that erupted six large ignimbrites between 30...

Tomek, Filip; Gilmer, Amy K.; Petronis, M. S.; Lipman, Peter W.; Foucher, M. S.

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Year Published: 2019

Earthquakes, PAGER

PAGER, short for Prompt Assessment of Global Earthquakes for Response, is an automated system developed and run by the US Geological Survey (USGS) that produces information concerning the impact of significant earthquakes around the world within approximately 20 min of any magnitude 5.5 or larger event. PAGER rapidly assesses earthquake impacts by...

Wald, David J.; Jaiswal, Kishor; Marano, Kristin; Hearne, Mike

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Year Published: 2019

2017 Monitoring and tracking wet nitrogen deposition at Rocky Mountain National Park

The Colorado Department of Public Health and Environment (CDPHE), the National Park Service (NPS), and the U.S. Environmental Protection Agency (EPA) issued the Nitrogen Deposition Reduction Plan (NDRP) in 2007 to address the effects and trends of nitrogen deposition at Rocky Mountain National Park (RMNP). The agencies chose a glidepath approach...

Kristi Morris; Mast, M. Alisa; Wetherbee, Gregory; Baron, Jill; Cheatham, Jim; Bromberg, Jim; Devore, Lisa; Hou, James; Gebhart, Kristi; Bell, Mike; Gay, David; Olson, Michael; Weinmann, Timothy; Bowker, Daniel

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Year Published: 2019

Status of three-dimensional geological mapping and modeling activities in the U.S. Geological Survey

The U.S. Geological Survey (USGS), created in 1879, is the national geological survey for the United States and the sole science agency within its cabinet-level bureau, the Department of the Interior. The USGS has a broad mission, including: serving the Nation by providing reliable scientific information to describe and understand the Earth;...

Sweetkind, Donald S.; Graymer, Russell; Higley, D.K.; Boyd, Oliver S.

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Year Published: 2019

Influence of multi-decadal land use, irrigation practices and climate on riparian corridors across the Upper Missouri River Headwaters Basin, Montana

The Upper Missouri River Headwaters Basin (36,400 km2) depends on its river corridors to support irrigated agriculture and world-class trout fisheries. We evaluated trends (1984-2016) in riparian wetness, an indicator of riparian condition, in peak irrigation months (June, July, August) for 158 km2 of riparian area across the basin using the...

Vanderhoof, Melanie K.; Christensen, J.R.; Alexander, Laurie C.

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Year Published: 2019

Ground failure from the Anchorage, Alaska, earthquake of 30 November 2018

Investigation of ground failure triggered by the 2018 Mw">MwMw 7.1 Anchorage earthquake showed that landslides, liquefaction, and ground cracking all occurred and caused significant damage. Shallow rock falls and rock slides were the most abundant types of landslides, but they occurred in smaller numbers than global models that are...

Jibson, Randall W.; Grant, Alex R. R. ; Witter, Robert C.; Allstadt, Kate; Thompson, Eric M.; Bender, Adrian

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Year Published: 2019

Groundwater and surface-water resources near Red Fleet Reservoir, Uintah County, Utah

Red Fleet Reservoir in Uintah County, Utah, is an approximately 26,000 acre-foot (acre-ft) on-channel reservoir in the Big Brush Creek drainage on the south slopes of the Uinta Mountains. It is operated primarily for irrigation needs while providing a supplemental drinking-water supply to the Vernal, Utah area. Red Fleet Reservoir, which was...

Marston, Thomas M.; Solder, John E.; Jones, Katherine K.
Marston, T.M., Solder, J.E., and Jones, K.K., 2019, Groundwater and surface-water resources near Red Fleet Reservoir, Uintah County, Utah: U.S. Geological Survey Scientific Investigations Report 2019–5101, 40 p., https://doi.org/10.3133/sir20195101.

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Year Published: 2019

Improvements in seismic resolution and current limitations in the Global Seismographic Network

Station noise levels play a fundamental limitation in our ability to detect seismic signals. These noise levels are frequency-dependent and arise from a number of physically different drivers. At periods greater than 100 s, station noise levels are often limited by the self-noise of the instrument as well as the sensitivity of the instrument to...

Ringler, Adam T.; Steim, J.; Wilson, David C.; Widmer-Schnidrig, R.; Anthony, Robert E.

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Year Published: 2019

Challenges for monitoring the extent and land use/cover changes in monarch butterflies’ migratory habitat across the United States and Mexico

This paper presents a synopsis of the challenges and limitations presented by existing and emerging land use/ land cover (LULC) digital data sets when used to analyze the extent, habitat quality, and LULC changes of the monarch (Danaus plexippus) migratory habitat across the United States of America (US) and Mexico. First, the characteristics,...

Rafael Moreno-Sanchez; James Raines; Diffendorfer, James E.; Drummond, Mark A.; Jessica Manko

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Year Published: 2019

Assessment of continuous gas resources in the Permian Phosphoria Formation of the Southwestern Wyoming Province, Wyoming, 2019

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 1.4 trillion cubic feet of continuous gas in the Phosphoria Formation of the Southwestern Wyoming Province, Wyoming.

Schenk, Christopher J.; Mercier, Tracey J.; Finn, Thomas M.; Marra, Kristen R.; Le, Phuong A.; Leathers-Miller, Heidi M.; Pitman, Janet K.; Brownfield, Michael E.; Drake, Ronald M.
Schenk, C.J., Mercier, T.J., Finn, T.M.,Marra, K.R.,Le, P.A., Leathers-Miller, H.M., Pitman, J.K., Brownfield, M.E., and Drake, R.M., II, 2019, Assessment of continuous gas resources in the Permian Phosphoria Formation of the Southwestern Wyoming Province, Wyoming, 2019: U.S. Geological Survey Fact Sheet 2019–3047, 2 p., https://doi.org/10.3133/fs20193047.

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Year Published: 2019

Debris-flow monitoring and warning: Review and examples

Debris flows represent one of the most dangerous types of mass movements, because of their high velocities, large impact forces and long runout distances. This review describes the available debris-flow monitoring techniques and proposes recommendations to inform the design of future monitoring and warning/alarm systems. The selection and...

Hürlimann, Marcel; Coviello, Velio; Bel, Coraline; Guo, Xiaojun; Berti, Matteo; Graf, Christoph; Hübl, Johannes; Miyata, Shusuke; Smith, Joel B.; Yin, Hsiao-Yuan

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
Image: Tree-Killing Las Conchas Fire in New Mexico

Tree-Killing Las Conchas Fire in New Mexico

USGS scientist Craig D. Allen observes the results of the extensive, tree-killing fire that consumed almost all above-ground biomass in this part of the Las Conchas Fire burn area in the Jemez Mountains, New Mexico. Photo taken in late August 2011, two months post-fire. Forest drought stress is highly correlated with mortality from poor growth, bark beetle outbreaks, and

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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.