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Michael Toomey, Jessica Rodysill, and Tom Sheehan collect sediment cores from Lake Drummond, located within the Great Dismal Swamp. The cores were obtained using a vibracore, which was mounted on a platform between two canoes. 

Established in 2009, the U.S. Geological Survey’s Coral Assessment Network (USGS-CAN) provides data on coral-growth (calcification) rates throughout the Florida Keys. Pictured here is one of 30 stations located in in Dry Tortugas National Park.

On the morning of May 9, 2018, a large rockfall in "Overlook crater" within Halema‘uma‘u at the summit of Kīlauea triggered a gas-driven explosion that sent an ash plume several thousand feet skyward. Phreatic (steam-driven) explosions can create larger ash plumes; the 1924 explosions sent ash plumes up to 20,000 feet high.

Photograph of Lake Drummond, which is located within the Great Dismal Swamp in Virginia. USGS scientists recently collected peat and lake core samples from the swamp to help reconstruct natural environmental conditions over the past 12,000 years.

This is a group shot of the North American National Mapping Meeting more information can be found at the website on the meeting

HVO geologist measured a temperature of 103 degrees C (218 degree F) at a crack along Nohea Street, Leilani Estates. The asphalt road was describes as "mushy" from the heat.

Kanakee River at Davis, IN - downstream of channel

Kankakee River at Davis, IN - downstream channel

This map shows the locations of fissures and an 'a'ā flow erupted since May 3 in the order that they occurred in Leilani Estates as of 5:30 p.m. HST, May 9. Note the area of heavy steaming from ground cracks that began earlier this afternoon, located west of Highway 130. The purple areas are lava flows erupted in 1840, 1955, 1960, and 2014-2015.

This map shows the locations of fissures and an ‘A‘ā flow erupted since May 3 in the order that they occurred in Leilani Estates as of 7:00 p.m. HST, May 8. The purple areas are lava flows erupted in 1840, 1955, 1960, and 2014-2015.

Measuring streamflow on St.Regis River at St Regis

This is a wide panarama shot of the North American National Mapping Meeting more information can be found at the website on the meeting

Peak-flow measurement at Flathead River at Flathead, British Columbia

Severe ground cracks associated with fissure 14 in Leilani Estates. 

Streamflow measurement on Flathead River at Flathead, B.C.

This is a group shot of the North American National Mapping Meeting more information can be found at the website on the meeting

 The beach-dependent shorebirds project at the Woods Hole Coastal and Marine Science Center relies heavily on collaborations with other DOI agencies, such as the U.S. Fish and Wildlife Service and National Park Service.

Using teamwork to move the ADCP back and forth across Blackrock Creek at Togwotee Pass. 

Yellow Creek at Knox, IN - downstream view

Yellow River at Knox, IN - control downstream of bridge

Yellow River at Knox, IN - control on stream