Unified Interior Regions


We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

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USGS science for a changing world logo
June 16, 2009

Spring nutrient delivery to the northern Gulf of Mexico is among the highest measured by the U.S. Geological Survey (USGS) in thirty years. Too many nutrients, which are essential for plant growth, are not necessarily a good thing.

USGS science for a changing world logo
May 12, 2009

This summer, boaters and anglers might notice a few foreign objects in some of the backwaters and near-shore areas of Navigation Pool 8 of the Upper Mississippi River. Scientists will deploy small orange buoys supporting plastic containers of river water at several sites at various times this summer.

December 18, 2008

U.S. Geological Survey Deputy Director Robert Doyle has been selected as a Distinguished recipient of the Presidential Rank Award, a prestigious award that commends outstanding leadership and long-term accomplishments.

August 29, 2008

Real-time flooding and storm surge information is available as Tropical Storm Gustav approaches the Gulf Coast by visiting the interactive US Geological Survey (USGS) Water Hazards Map.

August 28, 2008

U.S. Geological Survey (USGS) scientists will be installing rapidly-deployable mobile gages and storm-surge sensors to prepare for Tropical Storm Gustav.

May 1, 2008

The largest flood on the lower Mississippi River since 1973 was measured on April 22 in Vicksburg, Mississippi by the U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers.

January 29, 2008

Nine states in the Mississippi River Basin contribute the majority of nutrients to the Northern Gulf of Mexico, threatening the economic and ecological health of one of the nation's largest and most productive fisheries.

January 24, 2008

The overabundance of nutrients in the Gulf has resulted in a zone of low dissolved oxygen, or hypoxia, which can cause stress and death in bottom-dwelling organisms, threatening the economic and ecological health of the one of the nation's most productive fisheries.

USGS science for a changing world logo
October 12, 2006

Scientists from the U.S. Geological Survey (USGS) released new data that illustrate the arrival of the massive dome of flood water that inundated much of southwest coastal Louisiana just before, during and after landfall of Hurricane Rita last fall. 

USGS science for a changing world logo
August 8, 2006

A report published by the U.S. Geological Survey (USGS) contains a regional map and an associated database that inventory 36 locations of reported natural asbestos and fibrous amphibole occurrences in the central United States.

June 1, 2006

As another potentially busy hurricane season approaches, U.S. Geological Survey (USGS) scientists are sharing data and photos with the public to stress the importance of evacuation and storm preparedness.