Images

Osprey nesting on a structure at Merritt Island National Wildlife Refuge.

Pine trees and palm trees seen at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.

Shrubs and grass at the Merritt Island Wildlife Refuge showing evidence of a wildfire.

Palm trees at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.

Pine trees and palm trees standing among fallen trees at the Merritt Island Wildlife Refuge. Both pines and palms show evidence of exposure to a wildfire.

Tall pine trees standing among fallen trees at the Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to wildfire.

Pine trees and fallen branches at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.

View of pine trees at Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to a wildfire.

Pines and shrubs at the Merritt Island National Wildlife Refuge showing evidence of a wildfire.

Wintering habitat for the sagebrush sparrow (Artemisiospiza nevadensis), Mesquite Lakes, Nevada.

A gall (tissue swelling) on an unidentified oak, tree species in Windsor Great Park.

The pattern left by several ducks swimming through light ice in Leiper Pond, Great Windsor Park, England. The ducks can be faintly seen in the background.

Sunrise on the North Platte River at Broadwater, Nebraska. Looking upstream from Hwy 92 bridge.

The USGS collaborated with cooperator U.S. Fish & Wildlife Service to conduct continuous seismic-reflection profiling in the Havasu National Wildlife Refuge. The survey was conducted as part of an applied research and technology transfer effort by the USGS Office of Groundwater Branch of Geophysics in 2007.

This Depression-era oil painting was created by USGS field man Hal Shelton in 1940. The painting depicts mapping techniques used in the early days of cartography, including an alidade and stadia rod for determining distances and elevations and a plane-table for sketching contour lines. A USGS benchmark is visible near the top.

A spider web in a forest. An unidentified spider is visible near the center of the web.

A spider web in a forest. An unidentified spider is visible near the center of the web.

This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.

A great blue heron standing in the marsh at Merritt Island National Wildlife Refuge near the Kennedy Space Center.

Landscape view of a salt marsh in Florida's Merritt Island National Wildlife Refuge near the Cape Kennedy space center.

A group of ibises and roseate spoonbills feeding in the marsh and shallow waters.