The Black Volcano at the Petroglyph National Monument viewed from the southwest.
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Black Volcano at Petroglyph National Monument
The Black Volcano at the Petroglyph National Monument viewed from the southwest.
Desert Millipede (Orthoporus ornatus)
A millipede seen near the top of the JA volcano in Petroglyph National Monument. 4:20 PM.
A millipede seen near the top of the JA volcano in Petroglyph National Monument. 4:20 PM.
Bank Erosion and Channel Incision
Bank erosion and channel incision along Silver Creek, a tributary to the Marengo River.
Bank erosion and channel incision along Silver Creek, a tributary to the Marengo River.
Copper Mine in the Republic of Georgia
An open-pit mine for volcanic-hosted copper deposits from the Bolnisi District of the Republic of Georgia. A controlled blast as part of the mining process can be seen.
An open-pit mine for volcanic-hosted copper deposits from the Bolnisi District of the Republic of Georgia. A controlled blast as part of the mining process can be seen.
Copper Mine in the Republic of Georgia
An open-pit mine for volcanic-hosted copper deposits from the Bolnisi District of the Republic of Georgia.
An open-pit mine for volcanic-hosted copper deposits from the Bolnisi District of the Republic of Georgia.
Decorah, Iowa
Views, looking west, to downtown Decorah, Iowa, from a city park bluff on east side of town. Downtown courthouse tower and church spires are prominent.
Views, looking west, to downtown Decorah, Iowa, from a city park bluff on east side of town. Downtown courthouse tower and church spires are prominent.
Pollution on the Baltic Sea Coast
Construction debris and other trash (soda bottles, etc.) lining the coast of the Baltic Sea in Saint Petersburg.
Construction debris and other trash (soda bottles, etc.) lining the coast of the Baltic Sea in Saint Petersburg.
Arid Soils
Jim Crowley taking spectral measurements of arid soil with a field spectrometer.
Jim Crowley taking spectral measurements of arid soil with a field spectrometer.
Elongate Stems and Circular Leaves of Lotus Sp.
An unidentified species of lotus in an artificial pond enclosed in a greenhouse within the St. Petersburg Botanical Garden.
An unidentified species of lotus in an artificial pond enclosed in a greenhouse within the St. Petersburg Botanical Garden.
Amazon Waterlily (Nymphaea amazonum)
Amazon waterlily in an artificial pond enclosed in a greenhouse within the St. Petersburg Botanical Garden.
Amazon waterlily in an artificial pond enclosed in a greenhouse within the St. Petersburg Botanical Garden.
Post-Hurricane Katrina
New Orleans, Louisiana following Hurricane Katrina.
New Orleans, Louisiana following Hurricane Katrina.
Mt. Katahdin
This photo of Mt. Katahdin was taken from Abol Bridge, a popular spot to view Maine's highest peak. The USGS monitors groundwater and surface water in the area.
This photo of Mt. Katahdin was taken from Abol Bridge, a popular spot to view Maine's highest peak. The USGS monitors groundwater and surface water in the area.
Italian Countryside
Farmland in a hilly Italian countryside.
Farmland in a hilly Italian countryside.
Italian Countryside
Bare hills of an Italian countryside.
Bare hills of an Italian countryside.
Bryce Canyon National Park
The orange and white cliffs, rock formations, and vegetation of Bryce Canyon National Park.
The orange and white cliffs, rock formations, and vegetation of Bryce Canyon National Park.
Bryce Canyon National Park
The rock formations and vegetation of Bryce Canyon National Park.
The rock formations and vegetation of Bryce Canyon National Park.
Ocean Cave
An ocean cave on the coast of Capri Island.
An ocean cave on the coast of Capri Island.
Italian Countryside
Hills behind buildings, farmland and a town.
Hills behind buildings, farmland and a town.
Fountain of the Four Rivers
View of Fountain of the Four Rivers.
View of Fountain of the Four Rivers.
Italian Countryside
Countryside marked by farms, trees, and buildings.
Countryside marked by farms, trees, and buildings.
Bryce Canyon National Park
The orange and white cliffs, rock formations, and vegetation of Bryce Canyon National Park.
The orange and white cliffs, rock formations, and vegetation of Bryce Canyon National Park.