Multimedia Gallery

A papaya tree bearing a cluster of green, unripened fruit. Photograph taken circa June 2005.

Emerald Lake is at maximum depth levels in the summer, when snowmelt from surrounding peaks feeds the lake.

USGS scientist sampling groundwater quality on Long Island, NY

Yukon River and rainbow near Eagle, Alaska

Mojave Desert Tortoise found in Piute Valley in Clark County, Nevada, in
2005

Researcher, works at the microscope, Marrowstone Marine Field Station, Nordland, WA.

Mountain big sagebrush - or Artemisia tridentata ssp. vaseyana - is a sub-species of big sagebrush that is found in primarily at higher elevation and colder, drier sites between the Rocky Mountains and the Cascades and Sierra Nevada.

Drought and beetle-killed piñon pines in Walnut Canyon National Monument near Flagstaff, Arizona, amid a few surviving trees. Forest drought stress is strongly correlated with tree mortality from poor growth, bark beetle outbreaks, and high-severity fire.

Drought and beetle-killed piñon pines in Walnut Canyon National Monument near Flagstaff, Arizona, amid some surviving trees. Forest drought stress is highly correlated with mortality from poor growth, bark beetle outbreaks, and high-severity fire.

A Vermont Unit researcher outfits a captured bobcat with a lightweight GPS collar that will record its daily movements.The collar will provide information on bobcat home range size, habitat use, and movements.

A Vermont Unit researcher outfits a captured bobcat with a lightweight GPS collar that will record its daily movements.The collar will provide information on bobcat home range size, habitat use, and movements.

Hadlock Brook, in Acadia National Park, is a small watershed that was monitored by the USGS from 1999 to 2006. This photo of Hadlock Falls is a popular spot for a break on one of the many scenic trails through the park. The USGS gaging station was approximately 100 ft above the falls.

Hermit thrushes are a songbird species that was strongly affected by plant community changes in mountains because of reduced snowpack and cascading ecological effects, according to a USGS Montana Cooperative Wildlife Research Unit study.

A mountain lake (Lundy Lake) taken in the Central Basin and Range Ecoregion (NV) in May 2005.

Homes along the edge of the coast in Isla Vista, California, Santa Barbara County, face a short lifespan because of eroding bluffs that support them.

Biosolids from a wastewater treatment plant were loaded onto trucks for transport to the field. A team of USGS scientists and their colleagues collected samples of biosolids for analysis from freshly exposed surfaces created by the machinery used to load the biosolids onto trucks.

Picture of a hydrographer's shadow as flood water is measured from a cablecar.

Colorful mountains of Sar-e-Pul hint of copper (green) and iron (red).

Ash collection from east Crater Glacier on Mount St. Helens with a dredge attached to a helicopter cable. Ash is analyzed to help scientists understand eruption characteristics.

Pinned butterfly specimens and a spider sold as souveniors in a market.

Pinned butterfly specimens and a spider sold as souveniors in a market.

Pinned butterfly specimens sold as souveniors in a market.

Pinned butterfly specimens and a spider sold as souveniors in a market.

Pinned butterfly specimens and a spider sold as souveniors in a market.

Pinned butterfly specimens sold as souveniors in a market.

Sheridan River sonar

Agassiz Glacier, GNP - 2005 black and white

Agassiz Glacier - 2005 color

George Durner collecting data on an anesthetized polar bear

Stromatolites growing in Hamelin Pool Marine Nature Reserve, Shark Bay in Western Australia. Photo by Paul Harrison, Reading, UK, CC BY-SA 3.0

Enchanted Rock is a granite formation from the Precambrian age

Fumaroles steaming within Sherman Crater, Mount Baker, Washington.

The May 18, 1980 eruption of Mount St. Helens began with an enormous landslide that slammed into Spirit Lake, blocking its natural outlet and raising the lake level by 197 feet.

To mitigate downstream flood hazards, in 1984-1985, the U.S. Army Corps of Engineers constructed an 8,500 foot long, 11 foot diameter tunnel through a bedrock ridge on the west side of

Scenic view of a tree on coastal rocks by shore line.

Scenic view of rock formation and coast line.

Coastal view showing rocks and coast line.

Scenic view of light house.

Waves crashing at sandy inlet surrounded by rocky coast.

Waves crashing against rocky shoreline.

Inlet with sandy shore and coastal rock forms.

Shoreline seen through trees with hills in background.

Shoreline view with snow-topped mountains in background.

Coastal view showing rocks and coast line.

Coastal view showing rocks and coast line.

The Colorado River passing through the Grand Canyon in Arizona.

Installation of a gaging station at the Smith River near Eden, Montana

Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.