Data, Tools, and Technology

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Date published: July 14, 2009

Quality of Shallow Groundwater and Drinking Water in the Mississippi Embayment-Texas Coastal Uplands Aquifer System and the Mississippi River Valley Alluvial Aquifer, South-Central United States, 1994–2004

The Mississippi embayment-Texas coastal uplands aquifer system is an important source of drinking water, providing about 724 million gallons per day to about 8.9 million people in Texas, Louisiana, Mississippi, Arkansas, Missouri, Tennessee, Kentucky, Illinois, and Alabama. The Mississippi River Valley alluvial aquifer ranks third in the Nation for total withdrawals of which more than 98...

Date published: January 1, 2008
Status: Active

Research Vessel Parke D. Snavely

Information about the USGS Pacific Coastal and Marine Science Center's research vessel Parke D. Snavely, acquired in November 2007.

Contacts: Timothy Elfers
Date published: June 22, 2007

River Input Monitoring

The objective of this study is to provide concentrations and estimates of loads and trends of suspended solids, nitrogen, phosphorus, and other selected constituents at the James, Rappahannock, Appomattox, Pamunkey, and Mattaponi Rivers.

Contacts: Douglas L Moyer
Date published: September 30, 2006

The Chesapeke Bay Impact Crater

The International Continental Scientific Drilling Program and the U.S. Geological Survey drilled a 1,766-m-deep test hole near the center of the Chesapeake Bay impact structure in 2005 and 2006. Learn more here:

Date published: January 1, 2005
Status: Completed

“Flying Eyeball” Measures Grand Canyon Sand

Information about the  USGS Pacific Coastal and Marine Science Center's development of an instrument called the "flying eyeball" to measure river sand, from 1993-2004.

Date published: January 1, 1989
Status: Completed

Giant Hawaiian Underwater Landslides

Information about the USGS Pacific Coastal and Marine Science Center's studies of giant underwater landslides in 1986 and 1988.

Contacts: Laura Torresan