Photo of Building 41, which houses the USGS Denver Library and is located on the Denver Federal Center Campus in Lakewood, CO.
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USGS Denver Library
Photo of Building 41, which houses the USGS Denver Library and is located on the Denver Federal Center Campus in Lakewood, CO.
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A scientist takes a gravity reading at a station located on the down-dropped blo
A scientist takes a gravity reading at a station located on the down-dropped bloA scientist takes a gravity reading at a station located on the down-dropped block of Kīlauea caldera, which subsided as an intact structure, while a second gravity instrument (foreground) records data. Many of the preexisting gravity stations, which have been measured for years, survived Kīlauea's 2018 summit collapse.
A scientist takes a gravity reading at a station located on the down-dropped blo
A scientist takes a gravity reading at a station located on the down-dropped bloA scientist takes a gravity reading at a station located on the down-dropped block of Kīlauea caldera, which subsided as an intact structure, while a second gravity instrument (foreground) records data. Many of the preexisting gravity stations, which have been measured for years, survived Kīlauea's 2018 summit collapse.
Algal bloom near the Ash River boat dock
Algal bloom near the Ash River boat dock, a public access point for boating and fishing on Kabetogama Lake. Microcystin has been detected at this location and at nearby Sullivan Bay at concentrations exceeding recreational guidelines.
Algal bloom near the Ash River boat dock, a public access point for boating and fishing on Kabetogama Lake. Microcystin has been detected at this location and at nearby Sullivan Bay at concentrations exceeding recreational guidelines.
An algal bloom near the Ash River Visitor Center at Kabetogama Lake
An algal bloom near the Ash River Visitor Center at Kabetogama LakeAn algal bloom near the Ash River Visitor Center at Kabetogama Lake, where visitors enjoy picnics and trails year-round.
An algal bloom near the Ash River Visitor Center at Kabetogama Lake
An algal bloom near the Ash River Visitor Center at Kabetogama LakeAn algal bloom near the Ash River Visitor Center at Kabetogama Lake, where visitors enjoy picnics and trails year-round.
Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.Argon geochronology lab in Menlo Park, California.
Double-checking a high water mark on a church door near Maxton, NC
Double-checking a high water mark on a church door near Maxton, NCUSGS hydrographer Daniel McCay uses a level to double-check a high water mark on a church door near Maxton, NC as his USGS colleague Mary Winsor observes on Sept. 25, 2018, in the wake of flooding brought on by Hurricane Florence.
Double-checking a high water mark on a church door near Maxton, NC
Double-checking a high water mark on a church door near Maxton, NCUSGS hydrographer Daniel McCay uses a level to double-check a high water mark on a church door near Maxton, NC as his USGS colleague Mary Winsor observes on Sept. 25, 2018, in the wake of flooding brought on by Hurricane Florence.
First mission: USGS UAS monitors gas emissions at Mount St. Helens
First mission: USGS UAS monitors gas emissions at Mount St. HelensOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens
First mission: USGS UAS monitors gas emissions at Mount St. HelensOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens —AD
First mission: USGS UAS monitors gas emissions at Mount St. Helens —ADOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens —AD
First mission: USGS UAS monitors gas emissions at Mount St. Helens —ADOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
Harry Dowsett at the Parkers Creek bone bed
Northeast Region Photo Contest Winner | October 2018 | Honorable Mention
Harry Dowsett at the Parkers Creek bone bed
Northeast Region Photo Contest Winner | October 2018 | Honorable Mention
Harry Dowsett at the Parkers Creek bone bed
Maps in USGS Library
USGS Library has an expansive map collection with topographic maps, geologic maps, thematic maps, and more. The collection covers the United States, other countries around the world, and other planets.
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USGS Library has an expansive map collection with topographic maps, geologic maps, thematic maps, and more. The collection covers the United States, other countries around the world, and other planets.
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Microprobe laboratory in Menlo Park, California.
Microprobe laboratory in Menlo Park, California.
USGS Hawaiian Volcano Observatory staff, September 2018.
USGS Hawaiian Volcano Observatory staff, September 2018.USGS Hawaiian Volcano Observatory staff, September 2018.
USGS Hawaiian Volcano Observatory staff, September 2018.
USGS Hawaiian Volcano Observatory staff, September 2018.USGS Hawaiian Volcano Observatory staff, September 2018.
Vertically Shelved Maps at USGS Library
USGS Library has an expansive map collection with topographic maps, geologic maps, thematic maps, and more. The collection covers the United States, other countries around the world, and other planets.
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USGS Library has an expansive map collection with topographic maps, geologic maps, thematic maps, and more. The collection covers the United States, other countries around the world, and other planets.
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Viewing Aerial Photos
USGS Library in Moffett Field has a collection of aerial photos that researchers can use when visiting the library.
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USGS Library in Moffett Field has a collection of aerial photos that researchers can use when visiting the library.
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(USGS scientist working on data analysis of cyanotoxins in water
(USGS scientist working on data analysis of cyanotoxins in waterU.S. Geological Survey (USGS) scientist working on data analysis of cyanotoxins in water samples
(USGS scientist working on data analysis of cyanotoxins in water
(USGS scientist working on data analysis of cyanotoxins in waterU.S. Geological Survey (USGS) scientist working on data analysis of cyanotoxins in water samples
A USGS scientist prepares a sample to test the effect of antibiotics
A USGS scientist prepares a sample to test the effect of antibioticsA USGS scientist prepares a sample to test the effect of antibiotics on denitrifying bacteria within a glove box. A glove box allows scientists to work with samples in an anaerobic (no oxygen) atmosphere, the conditions under which denitrification occurs.
A USGS scientist prepares a sample to test the effect of antibiotics
A USGS scientist prepares a sample to test the effect of antibioticsA USGS scientist prepares a sample to test the effect of antibiotics on denitrifying bacteria within a glove box. A glove box allows scientists to work with samples in an anaerobic (no oxygen) atmosphere, the conditions under which denitrification occurs.
Aerial image of Quissett Campus, Woods Hole, MA
Screenshot of a point cloud containing more than 50 million points from a photogrammetry project of the Quissett Campus. This point cloud was created from 633 photographs taken from a unmanned aircraft system (UAS) in Woods Hole, Massachusetts in July 2018
Screenshot of a point cloud containing more than 50 million points from a photogrammetry project of the Quissett Campus. This point cloud was created from 633 photographs taken from a unmanned aircraft system (UAS) in Woods Hole, Massachusetts in July 2018
Biologist Murulee Byappanahalli with students at the Chesterton lab
Biologist Murulee Byappanahalli with students at the Chesterton labMurulee Byappanahalli GLSC; Lake Michigan Ecological Research Station; LMERS; Chesterton, Indiana, IN; students from Indiana University Northwest visit to learn about microbiology science and applications; outreach;
Biologist Murulee Byappanahalli with students at the Chesterton lab
Biologist Murulee Byappanahalli with students at the Chesterton labMurulee Byappanahalli GLSC; Lake Michigan Ecological Research Station; LMERS; Chesterton, Indiana, IN; students from Indiana University Northwest visit to learn about microbiology science and applications; outreach;
Diversion web cam on the Elwha River
Web cam mounted near USGS gaging station site number 12046260, looking upstream from the water supply diversion structure on the lower Elwha River near Port Angeles in Washington.
Web cam mounted near USGS gaging station site number 12046260, looking upstream from the water supply diversion structure on the lower Elwha River near Port Angeles in Washington.
Eosin-nigrosin staining of spermatozoa from common carp
Eosin-nigrosin staining of spermatozoa from common carpEosin-nigrosin staining of spermatozoa from common carp (Cyprinus carpio) testes collected from the Lake Mead National Recreation Area, Nevada
Eosin-nigrosin staining of spermatozoa from common carp
Eosin-nigrosin staining of spermatozoa from common carpEosin-nigrosin staining of spermatozoa from common carp (Cyprinus carpio) testes collected from the Lake Mead National Recreation Area, Nevada
Keith A. Loftin is the lead scientist for algal and cyanobacteria
Keith A. Loftin is the lead scientist for algal and cyanobacteriaKeith A. Loftin, USGS, is the lead scientist for algal and cyanobacterial toxins
Keith A. Loftin is the lead scientist for algal and cyanobacteria
Keith A. Loftin is the lead scientist for algal and cyanobacteriaKeith A. Loftin, USGS, is the lead scientist for algal and cyanobacterial toxins