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Fallow field on the left and dryland wheat on the right, northwestern corner of the Fort Peck Reservation (near Larslan, MT)
Fallow field on the left and dryland wheat on the right, northwestern corner of the Fort Peck Reservation (near Larslan, MT)
View of lake at Fernhill Natural Treatment Wetlands.
View of lake at Fernhill Natural Treatment Wetlands.
View of lake at Fernhill Natural Treatment Wetlands.
View of lake at Fernhill Natural Treatment Wetlands.
View of lake at Fernhill Natural Treatment Wetlands.
View of lake at Fernhill Natural Treatment Wetlands.
The sampling team (Sean Burril of BOEM; Ashley Stanek of USGS ASC and Sarah Laske of USGS ASC) removes individual fish from floating net pens, identify, measure length, and release the fish back to the lagoon.
The sampling team (Sean Burril of BOEM; Ashley Stanek of USGS ASC and Sarah Laske of USGS ASC) removes individual fish from floating net pens, identify, measure length, and release the fish back to the lagoon.
Four video cameras look westward over the coast and the coral reef at Tres Palmas in Rincón, on the west coast of Puerto Rico. Two cameras look out at the horizon and over the ocean for the mid-field view; one camera offers a zoomed-in, far-field view overlooking the reef and out to the island of Desecheo, a U.S.
Four video cameras look westward over the coast and the coral reef at Tres Palmas in Rincón, on the west coast of Puerto Rico. Two cameras look out at the horizon and over the ocean for the mid-field view; one camera offers a zoomed-in, far-field view overlooking the reef and out to the island of Desecheo, a U.S.
Alteration associated with mud pots in Yellowstone National Park. Left image is an overview of Artist Paint Pots. Note the white kaolinite alteration in the lower right and the red/pink mud pots near the boardwalk. Right image is charcoal-gray mud from Mud Volcano consisting of kaolinite with fine-grained pyrite and other iron sulfide minerals.
Alteration associated with mud pots in Yellowstone National Park. Left image is an overview of Artist Paint Pots. Note the white kaolinite alteration in the lower right and the red/pink mud pots near the boardwalk. Right image is charcoal-gray mud from Mud Volcano consisting of kaolinite with fine-grained pyrite and other iron sulfide minerals.
This video describes how to use the SAC conversion spreadsheet to convert data from a conventional level in angles and distances (polar coordinates) to Cartesian coordinates (northings and eastings).
This video describes how to use the SAC conversion spreadsheet to convert data from a conventional level in angles and distances (polar coordinates) to Cartesian coordinates (northings and eastings).
USGS scientist Emma Kelsey drives a survey vessel off the Central California Coast as part of a seabird survey.
USGS scientist Emma Kelsey drives a survey vessel off the Central California Coast as part of a seabird survey.
Closeup of a wall of the Grand Canyon of the Yellowstone showing red, orange, and yellow mineral alternation, as well as white veins of silica, in the subsurface alteration zone of a former thermal basin.
Closeup of a wall of the Grand Canyon of the Yellowstone showing red, orange, and yellow mineral alternation, as well as white veins of silica, in the subsurface alteration zone of a former thermal basin.
Example of how the same rock type can look very different due to hydrothermal alteration. Left image is of the Lava Creek Tuff, which erupted during the formation of Yellowstone caldera 631,000 years ago, near Tower Junction.
Example of how the same rock type can look very different due to hydrothermal alteration. Left image is of the Lava Creek Tuff, which erupted during the formation of Yellowstone caldera 631,000 years ago, near Tower Junction.
Key forage fish in Alaska (from top to bottom): Pacific capelin, Pacific herring, Pacific sand lance, and juvenile walleye pollock. Cook Inlet, Alaska
Key forage fish in Alaska (from top to bottom): Pacific capelin, Pacific herring, Pacific sand lance, and juvenile walleye pollock. Cook Inlet, Alaska
Photographs from a Mourning Dove (Zenaida macroura) found dead in Arizona, US. (A) The crop (*) is distended primarily with milo. (B) A green coating (arrowheads) is evident on the surface of the milo.
Photographs from a Mourning Dove (Zenaida macroura) found dead in Arizona, US. (A) The crop (*) is distended primarily with milo. (B) A green coating (arrowheads) is evident on the surface of the milo.
USGS scientist Sarah Schoen gets ready to deploy a net in Cook Inlet to collect plankton samples to test for harmful algal bloom toxins.
USGS scientist Sarah Schoen gets ready to deploy a net in Cook Inlet to collect plankton samples to test for harmful algal bloom toxins.
Sierra Keller, Physical Science Technician, and Sharon Mulready, Student Trainee, both of the USGS California Water Science Center's Santa Cruz Field Office, install a solar panel on a rural streamgage station along the Arroyo Seco near Greenfield in Monterey County, California.
Sierra Keller, Physical Science Technician, and Sharon Mulready, Student Trainee, both of the USGS California Water Science Center's Santa Cruz Field Office, install a solar panel on a rural streamgage station along the Arroyo Seco near Greenfield in Monterey County, California.
USGS Biological Science Technician Laney White surveys for Marbled Murrelet off the Central California Coast.
USGS Biological Science Technician Laney White surveys for Marbled Murrelet off the Central California Coast.
Photograph collected from a UAS flown over the beach at Tres Palmas in Rincón, Puerto Rico.
Photograph collected from a UAS flown over the beach at Tres Palmas in Rincón, Puerto Rico.
USGS Hydrologist, Krishangi Groover, lays wire in preparation for geophysical data collection at the U.S.
USGS Hydrologist, Krishangi Groover, lays wire in preparation for geophysical data collection at the U.S.
Steamboat Geyser erupts in the golden light of sunrise on July 18th, 2019. The water-dominated part of a Steamboat eruption usually lasts anywhere from 3 to 90 minutes. Afterwards, a steam-dominated phase continues for many hours.
Steamboat Geyser erupts in the golden light of sunrise on July 18th, 2019. The water-dominated part of a Steamboat eruption usually lasts anywhere from 3 to 90 minutes. Afterwards, a steam-dominated phase continues for many hours.
The pond within Halema‘uma‘u has notably widened and deepened since August 15, as shown in these two photos taken on August 17 (right) and August 15 (left). Note the changes in the neck between the two ends of the pond. USGS photos by D. Swanson.
The pond within Halema‘uma‘u has notably widened and deepened since August 15, as shown in these two photos taken on August 17 (right) and August 15 (left). Note the changes in the neck between the two ends of the pond. USGS photos by D. Swanson.
Although Kīlauea Volcano's 2018 lower East Rift Zone eruption is over, residual heat, steam, and small amounts of other gases continue to escape from ground cracks and vents in the lower Puna area near Highway 130 as molten rock underground cools.
Although Kīlauea Volcano's 2018 lower East Rift Zone eruption is over, residual heat, steam, and small amounts of other gases continue to escape from ground cracks and vents in the lower Puna area near Highway 130 as molten rock underground cools.