Images

Mangrove islands in the Key West National Wildlife Refuge provide valuable habitat for nesting birds and sea turtles.

USGS scientists Laura Clor and Tim Moloney installing a temperature sensor under a public boardwalk in Norris Geyser Basin, Yellowstone National Park.

USGS scientists Laura Clor and Tim Moloney installing a temperature sensor under a public boardwalk in Norris Geyser Basin, Yellowstone National Park.

Instrumentation array with a YSI multiparameter sonde, a dissolved CO2 sensor, and a CDOM sensor.

USGS scientists Laura Clor and Tim Moloney installing a temperature sensor under a public boardwalk in Norris Geyser Basin, Yellowstone National Park.

Yellowstone Volcano Observatory temperature logger and radio transmitter installed in a weatherproof case under a public boardwalk in Yellowstone National Park. The white cable leads to a temperature sensor in the water under the rocks. The black cable leads to a radio antenna attached to the side of the boardwalk.

Panorama (180 degree field of view) photograph of smoke rising from the Schultz Pass fire near Flagstaff, Arizona, at 1:34 p.m. on its day of ignition, June 20, 2010.  Over the following 10 days, the fire burned an estimated 15,075 acres, or more than 23 square miles of northern Arizona forest, and cost more than \$8.6 million to fight.

Photograph of surface fractures along fault south of Pinto Wash; view to the northeast.

The dark-green, rectangular, reforested area of the Auwahi dryland forest as seen from above with surrounding grassland.

Vertical surface fractures along Ocotillo Fault. Faulting here is associated with the nearby Mw5.7 aftershock of June 14, 2010. Tape measure for scale.

Looking west at the Cannonball River at Breien, North Dakota.

The white colored rock (approximately 100ft high) shows the drop in the water level of Lake Mead as a result of the ongoing 10-year drought along the Colorado River.

Quillayute River near La Push, Washington. Looking downstream from Mora Road toward the river mouth and Pacific Ocean, with James Island in the distance.

Walruses in the Chukchi Sea during a tagging survey onboard the Norseman II in June 2010.

Walruses in the Chukchi Sea during a tagging survey onboard the Norseman II in June 2010.

Walruses in the Chukchi Sea during a tagging survey onboard the Norseman II in June 2010.

Walruses in the Chukchi Sea during a tagging survey onboard the Norseman II in June 2010.

Walruses in the Chukchi Sea during a tagging survey onboard the Norseman II in June 2010.

This Barred Owl was fearless in Baton Rouge, LA

OFF THE LOUISIANA COAST — A controlled burn of oil from the Deepwater Horizon/BP oil spill sends towers of fire hundreds of feet into the air over the Gulf of Mexico. U.S. Coast Guard Photo by Petty Officer First Class John Masson.

Little Missouri River at Marmarth, North Dakota, flowing under the railroad and highway bridges, streamflow 260 cubic feet per second, gage height 2.38 feet.