Images

Forest cover being removed for cattle pasturage and development. Smoke from bulldozed trees is visible in background with cattle in the foreground.

Larval Pacific lamprey collected from the upper Umatilla River in northeastern Oregon.

Helicopter towing a large, wire-loop contraption hanging from a cable is turning in air on a relatively clear day in Nebraska.

Aerial view of the USGS Great lakes Science Center Hammond Bay Biological Station at Hammond Bay, Michigan.

Annotated photo of air-quality particulate monitoring instruments, showing temperature and humidity sensors, air-sample inlet tube, wind sensor, power supply, and communication connections.

This close-up image is of juvenile silver carp in research tanks at the USGS Upper Midwest Environmental Sciences Center.

Detail of a “culture” separate, which was represented in the color black on a USGS topographic map.

Pictographs at Saguaro National Park. Photographed 2006 or earlier

Pictographs at Saguaro National Park. Photographed 2006 or earlier.

A Cascades frog perched on moss.

USGS researchers Brome McCreary (orange vest) and Chris Pearl take measurements on Cascades frog at a mountain lake in Oregon.

Forest cover being removed for cattle pasturage and development. Smoke from bulldozed trees is visible in background with cattle in the foreground.

In 1929, as part of modest ceremonies to mark the USGS' 50^th anniversary, President Hoover invited Director George Otis Smith (who succeeded Walcott in 1907), and other USGS employees in the DC area to a reception at the White House. A professional photographer took a panoramic image of the attendees assembled in the Rose Garden.

A USGS scientist holds a five-year-old stocked lake sturgeon recaptured during a survival assessment in the Genesee River, New York.

Aerial view near Herat. Dark red iron stains hint that other minerals might be found.

This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.

A class photo! The entire gang of adolescent whooping crane chicks together at the USGS Patuxent Wildlife Research Center in Laurel, Md. The chicks, hatched and raised by USGS caretakers, are being released into the wild in Louisiana in February 2011.  It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.

This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.

This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.

Thomas A. Jaggar founded the Hawaiian Volcano Observatory in 1912 and served as its Director until 1940.  Shown here in 1925, Jaggar is at work in HVO's first building, which, at the time, was located on the northeast rim of Kīlauea Volcano’s summit caldera, near the present-day Volcano House hotel.

A copper-striped blue-tailed skink (Emoia impar) photographed in Samoa during a USGS field survey.