Unified Interior Regions

Texas

The Southwest Region ranges from the Colorado Rockies to the Gulf Coast and the Western Deserts to the Great Plains. The Southwest Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

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Spring (104) near the headwaters of Leon Creek in the Trinity aquifer outcrop.
October 5, 2010

Spring near headwaters of Leon Creek, Trinity aquifer, Data Series 750

Spring (104) near the headwaters of Leon Creek in the Trinity aquifer outcrop, northern Bexar County, Texas. Photograph taken on Tuesday, October 5, 2010.

Spring (113) near Leon Creek in the Trinity aquifer outcrop
October 5, 2010

Spring near Leon Creek in the Trinity aquifer outcrop

Spring (113) near Leon Creek in the Trinity aquifer outcrop, northern Bexar County, Texas. Photograph taken on Tuesday, October 5, 2010.

Data Series 750

Rafting along the Rio Grande in Big Bend National Park, Texas
September 30, 2010

Rafting along the Rio Grande in Big Bend National Park

Big Bend National Park field trip with Anne Castle, Assisstant Secretary for Water and Science, DOI, September 2010.     USGS Staff explaining USGS Science and water monitoring in the region.

video thumbnail: New Administration Building and Visitor's Center at Texas Chenier Plain Refuge Complex
July 7, 2010

New Administration Building and Visitor's Center at Texas Chenier Plain Refuge Complex

On July 8, 2010, the U.S. Fish and Wildlife Service broke ground on a $6.2 million Recovery Act project to build a Visitor's Center and Administration Building in Anahuac, Texas. The building is intended to serve up to 5.7 million people in the Houston-Sugarland-Baytown metropolitan area and the Texas Gulf Coast. Service and local government officials addressed the Anahuac

video thumbnail: Texas Chenier Plains Refuge Complex Visitor Center Project
February 17, 2010

Texas Chenier Plains Refuge Complex Visitor Center Project

The U.S. Fish and Wildlife Service will use Recovery Act funds to build a new administrative building and visitor center at Texas Chenier Plains Refuge Complex. The new building will be LEED-Silver certified and will benefit from its location approximately 35 miles outside of Houston, which has the fifth largest population in America. In this video, project manager Tim

Bridge, showing USGS bridge-mounted stream sensors
September 30, 2009

Streamgage at Trinity River near Rosser

Bridge-mounted stream monitoring equipment USGS station 08062500, Trinity River near Rosser

Worker inspects a tank of coal-tar-based sealcoat
September 16, 2009

Inspecting tank of coal-tar-based sealcoat prior to application

In 2009, USGS had a test plot professionally sealed with coal-tar-based sealcoat in preparation for measurements of volatilization from the pavement after application. Here, the applicator checks the tank. Read about the results here and

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Applicator sprays coal-tar-based sealcoat on parking lot
September 16, 2009

Applicator sprays coal-tar-based sealcoat on parking lot

In 2009, USGS had a test plot professionally sealed with coal-tar-based sealcoat in preparation for measurements of volatilization from the pavement after application. Here, the applicator applies the sealcoat to the parking lot. Read about the results here and

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Black shiny newly sealcoated pavement
September 16, 2009

Pavement newly treated with coal-tar-based sealcoat

In 2009, USGS had a test plot professionally sealed with coal-tar-based sealcoat in preparation for measurements of volatilization from the pavement after application. Here, the newly applied sealcoat is black and shiny. Read about the results here and

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Equipment for measuring volatilization from sealcoated pavement
September 16, 2009

Equipment for measuring volatilization from sealcoated pavement

In 2009, USGS had a test plot professionally sealed with coal-tar-based sealcoat in preparation for measurements of volatilization from the pavement after application. This photo shows the "hat" sampler, which measures PAH concentrations in air just above the pavement surface, and the accompanying piece of equipment that measures PAH concentrations in air about 4 feet from

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Image: Bats in a Texas Evening Sky
May 1, 2009

Bats in a Texas Evening Sky

Insect-eating Brazilian Free-Tailed bats (Tadarida brasiliensis) provide a great pest-control service to agriculture and natural ecosystems.

USGS streamgage housing on the bank at the side of a bridge
February 20, 2009

Streamgage housing at West Fork Trinity River

Streamgage housing at USGS gage 08045550, West Fork Trinity River at White Settlement Road, Fort Worth, TX