Images

Close-up of a stalagmite surface in Luray Caverns, Virgina.

A stalactite as seen from directly underneath in Luray Caverns, Virginia.

View of trees in fall color and evening light along the Apachicola River at Torreya State Park. 

Red beds as Mars analog.

U.S. Geological Survey streamflow-gaging station 08026000 Sabine River near Burkeville, Texas, photograph looking upstream from bridge on State Highway 63, November 9, 2006.

SIR 2009–5174

Field trip to Death Valley. Jim Crowley (USGS), Giles Marion (Desert Research Institute), John Mars (USGS).

Field trip to Death Valley. John Mars (USGS). Giles Marion (Desert Research Institute), Jim Crowley (USGS), Simon Hook (JPL).

Field trip to Death Valley. John Mars (USGS), Simon Hook (JPL), C.R. Souza Filho (University of Campinas), Giles Marion (Desert Research Institute)

Baby goats in Texas that were rejected by their various mothers, being fed bottled milk.

Loading hay from a field in East Texas.

Loading hay from a field in East Texas.

U.S. Geological Survey streamflow-gaging station 08096500 Brazos River at Waco, Texas, photograph looking upstream at the Brazos River (Lake Brazos) from the State Loop 340 bridge, October 25, 2006.

SIR 2009–5174

U.S. Geological Survey streamflow-gaging station 08030500 Sabine River near Ruliff, Texas, photograph looking from left bank adjacent to State Highway 12 bridge, October 24, 2006.

SIR 2009–5174

Wildfire is one of the largest sources of re-released mercury to the atmosphere and a component to the widespread movement of inorganic mercury to aquatic sediments.

This is sagebrush burning at Hart Mountain National Antelope Refuge in association with a management project located 65 miles northeast of Lakeview, OR.

Conducing Brewer's sparrow (Spizella breweri) surveys in sagebrush habitat, Owyhee Moutains, SW Idaho.

New AGS building after USAID renovation features cutting edge scientific equipment.

The marshes of Plum Island Estuary are among those predicted by scientists to submerge during the next century under conservative projections of sea-level rise.

Costa's hummingbird perched on twig.

The marshes of Plum Island Estuary are among those predicted by scientists to submerge during the next century under conservative projections of sea-level rise.

Close up of a Costa's hummingbird perched on twig.