Images

This image of live silver carp larvae was taken with a microscope camera at the USGS Columbia Environmental Research Center. Asian carp are invasive species that could pose substantial environmental risks and economic impacts if they become established.

USGS Physical Scientist Erich Peitzsch sets up a weather station on Snowslip Mountain in Glacier National Park.  It provides meteorological data for avalanche forecasting and research, including wind speed and direction, air temperature, relative humidity, and net radiation measurements.

Residents and visitors should not be alarmed to witness a low-flying helicopter over southeastern Missouri starting in mid to late February, 2014.

Steel pipe used in a well in the Marcellus Shale gas play of southwestern Pennsylvania.

Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.

Back-lit photographs of wings of White-nose Syndrome (WNS)-positive little brown bats, one with subtle circular and irregular pale areas (arrows) indicating areas of fungal infection (A) and another bat (B) with areas of relatively normal tone and elasticity (black arrow), compared to a WNS affected area that looks like crumpled tissue paper with loss of elasticity,

Suzanne Nicholson, USGS, collecting soil at one of the sites in New Jersey, on the coast of the Atlantic Ocean just south of Atlantic City.

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.

A class photo! The entire gang of adolescent whooping crane chicks appear to be ice skating at the USGS Patuxent Wildlife Research Center in Laurel, Md.

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.

Team of scientists working together to insert a tracking device in a 14 foot Burmese python.

USGS scientist Tom Frost measures the distance across the transition from garnet-bearing rocks, upslope from the end of the tape, to garnet-free rocks below it, as exposed on the northeast wall of the Blacktail pit of the Blackbird cobalt-copper mine, in the Salmon River Mountains of east-central Idaho.

The river outlet tubes at Glen Canyon Dam on the Colorado River in Arizona. At noon Monday, Nov. 19, U.S.

Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.

USGS gage house located near Bantry, ND.

Washington Monument in DC, with the cherry blossoms in bloom.

Weir control at Beaver Creek below Linton, North Dakota.  For more information on the use of weirs to aid in the determination of streamflow, see volumes 1 and 2 of the USGS Water Supply Paper, Measurement and Computation of Streamflow.

The Westhope, ND gage house along the Souris River.

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.

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.