Images

The railroad grade near Hermosa was breached during the August 17, 2007, storm that caused heavy precipitation and flash flooding in and near Hermosa, SD.

Several homes were damaged during a system of severe thunderstorms on August 17, 2007, that caused heavy precipitation and flash flooding in and near Hermosa, SD.

Utility pole near Hermosa, SD, was bent during a system of severe thunderstorms on August 17, 2007, that caused heavy precipitation and flash flooding in and near Hermosa, SD.

Flood debris along Highway 79 near Hermosa, SD, on August 19, 2007. A system of severe thunderstorms on August 17, 2007, caused heavy precipitation and flash flooding in and near Hermosa, SD.

Three caribou standing in the tundra.  These caribou are part of the Porcupine caribou herd.

The flower, leaves, and seed pods of a tiny but aggressive vine (Centrosema virginianum) growing beside a path in a central Florida woodland. (Scanned From Negative)

Cory Emerson taking dissolved oxygen, temperature, and salinity readings from a potential relocation site for tidewater gobies in the Point Reyes National Seashore, CA.

The flower, leaves, and seed pods of a tiny but aggressive vine (Centrosema virginianum) growing beside a path in a central Florida woodland. (Scanned From Negative)

Erythrina shows a cluster of its black seed pods with bright scarlet mature seeds lined up within. (Scanned From Negative)

Erythrina shows a cluster of its black seed pods with bright scarlet mature seeds lined up within. (Scanned From Negative)

Erythrina shows a cluster of its black seed pods with bright scarlet mature seeds lined up within. (Scanned From Negative)

Erythrina shows a cluster of its black seed pods with bright scarlet mature seeds lined up within. (Scanned From Negative)

Erythrina shows a cluster of its black seed pods with bright scarlet mature seeds lined up within. (Scanned From Negative)

The distinctive leaves of a Cardinal bean plant (Erythrina sp.) which aid in identifying the plant when the flowers or bean pods are not present.

The distinctive leaves of a Cardinal bean plant (Erythrina sp.) which aid in identifying the plant when the flowers or bean pods are not present.

Hydrologic measurements in rice fields consisted of continuous measurements using pressure transducers calibrated with manual readings of staff gauges.

Despite the haze of smoke from wildfires, visitors enjoy the beach in Santa Barbara, California.

Glacier Peak volcano, Washington, viewed from the east.

USGS test well 10 34h363 in the East River, Brunswick, Ga. The U.S. Geological Survey drilled this test well in the early 1970's and at the time it was on the edge of the marsh at Andrews Island. It is now only accessible by boat or canoe at high tide. Despite being surrounded by saltwater the artesian well flows very fresh water from the Upper Floridan Aquifer.

Digital still photograph offshore of Half Moon Bay, California, showing a kelp greenling, encrusting sponges, red algae, cup coral, in mixed gravel, cobbles, and rugose rock outcrop with scattered shells at a depth of 9 meters.

Sediment cores from lakes and reservoirs can be used to reconstruct contaminant histories in watersheds. Sediment-core analyses indicate that concentrations of PAHs in many U.S. urban lakes are increasing, and multiple lines of evidence indicate that the source of the PAHs in coal-tar-based pavement sealants.