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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.

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Stream gaging in Puerto Rico after Tropical Storm Karen: recording gage height
Stream gaging in PR after Tropical Storm Karen: recording gage height
Stream gaging in PR after Tropical Storm Karen: recording gage height
Stream gaging in PR after Tropical Storm Karen: recording gage height

Stream gaging in Puerto Rico after Tropical Storm Karen: recording gage height – A ding-wop, a weight attached to measuring devices, was used to measure the gage height, September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: staging the measurement
Stream gaging in PR after Tropical Storm Karen: staging measurement
Stream gaging in PR after Tropical Storm Karen: staging measurement
Stream gaging in PR after Tropical Storm Karen: staging measurement

Stream gaging in Puerto Rico after Tropical Storm Karen: staging the measurement – Manuel Rosario, with the Caribbean-Florida Water Science Center, stages an acoustic Doppler current profiler (ADCP) to measure high flow September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: staging the measurement – Manuel Rosario, with the Caribbean-Florida Water Science Center, stages an acoustic Doppler current profiler (ADCP) to measure high flow September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: computer
Stream gaging in Puerto Rico after Tropical Storm Karen: computer
Stream gaging in Puerto Rico after Tropical Storm Karen: computer
Stream gaging in Puerto Rico after Tropical Storm Karen: computer

Stream gaging in Puerto Rico after Tropical Storm Karen: computer – Gage height and precipitation data recorded by sensors and measured manually are logged into an electronic notebook, September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: computer – Gage height and precipitation data recorded by sensors and measured manually are logged into an electronic notebook, September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house
Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house
Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house
Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house

Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house – Manuel Rosario, with the Caribbean-Florida Water Science Center, checks the sensors in the gage house September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house – Manuel Rosario, with the Caribbean-Florida Water Science Center, checks the sensors in the gage house September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP

Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP – A tethered acoustic Doppler current profiler (ADCP) is pulled through a cross section of Rio de La Plata near Toa Alta, Puerto Rico, September 25, 2019.

Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP – A tethered acoustic Doppler current profiler (ADCP) is pulled through a cross section of Rio de La Plata near Toa Alta, Puerto Rico, September 25, 2019.

Vann Sykkel, The Natural Water Cycle, Norwegian
Vann Sykkel, The Natural Water Cycle, Norwegian
Vann Sykkel, The Natural Water Cycle, Norwegian
image related to volcanoes. See description
Why is the 2018 lava still so hot?
Why is the 2018 lava still so hot?
Why is the 2018 lava still so hot?

Two HVO geologists document road cutting activities on HWY 132 on August 7, 2019. One geologist is taking visual photographs while another geologist is taking thermal photographs to make a tandem pair for comparison. The temperature of the solidified lava was measured to 425 ° C (800 ° F) at the digging site. Photograph by USGS geologist K.

Two HVO geologists document road cutting activities on HWY 132 on August 7, 2019. One geologist is taking visual photographs while another geologist is taking thermal photographs to make a tandem pair for comparison. The temperature of the solidified lava was measured to 425 ° C (800 ° F) at the digging site. Photograph by USGS geologist K.

USGS scientist surveys water levels on the Delaware River while streamflow measurements are made by boat.
USGS scientist surveys water levels on the Delaware River 
USGS scientist surveys water levels on the Delaware River 
USGS scientist surveys water levels on the Delaware River 

USGS scientist surveys water levels on the Delaware River while streamflow measurements are made by boat. These measurements help scientists understand the amount of water and constituents being transported by the river. 

USGS scientist surveys water levels on the Delaware River while streamflow measurements are made by boat. These measurements help scientists understand the amount of water and constituents being transported by the river. 

forage species caught in trawl net, Alaska
Forage species caught in trawl net, Prince William Sound, Alaska
Forage species caught in trawl net, Prince William Sound, Alaska
Forage species caught in trawl net, Prince William Sound, Alaska

Squid, adult walleye pollock, herring, eulachon, northern smoothtongue, capelin, juvenile walleye pollock, krill, and shrimp are forage species that are caught by a modified-herring trawl in Prince William Sound, Alaska during the Fall Integrated Predator-Prey Survey.

Squid, adult walleye pollock, herring, eulachon, northern smoothtongue, capelin, juvenile walleye pollock, krill, and shrimp are forage species that are caught by a modified-herring trawl in Prince William Sound, Alaska during the Fall Integrated Predator-Prey Survey.

Graham Lederer examines tungsten ore from Burnside mine
Graham Lederer examines tungsten ore from Burnside mine
Graham Lederer examines tungsten ore from Burnside mine
Graham Lederer examines tungsten ore from Burnside mine

Northeast Region Photo Contest Winner | Oct. 2019 | Honorable Mention 1
Graham Lederer uses a hand lens to examine tungsten ore from the Burnside mine in Alpine County, California. Scheelite is an important tungsten mineral found in skarn deposits throughout the Sierra Nevada and Great Basin.

Northeast Region Photo Contest Winner | Oct. 2019 | Honorable Mention 1
Graham Lederer uses a hand lens to examine tungsten ore from the Burnside mine in Alpine County, California. Scheelite is an important tungsten mineral found in skarn deposits throughout the Sierra Nevada and Great Basin.

image related to volcanoes. See description
Horse trek to GPS station HVWY.
Horse trek to GPS station HVWY.
Horse trek to GPS station HVWY.

Transportation takes many forms; this horse trek to GPS station HVWY in Hayden Valley complies with wilderness regulations, reduces impact to sensitive areas, and enables teams to upgrade equipment to keep the site operational year-round. Site maintenance was completed under permit YELL-2019-SCI-5546, in close coordination with Park staff, on September 18, 2019.

Transportation takes many forms; this horse trek to GPS station HVWY in Hayden Valley complies with wilderness regulations, reduces impact to sensitive areas, and enables teams to upgrade equipment to keep the site operational year-round. Site maintenance was completed under permit YELL-2019-SCI-5546, in close coordination with Park staff, on September 18, 2019.

young of the year walleye pollock
young of the year walleye pollock
young of the year walleye pollock
young of the year walleye pollock

Photo of young of the year walleye pollock, Prince William Sound, Alaska. Although adults are targeted in one of the largest commercial fisheries in the world, young of the year walleye pollock are important in diets of many marine predators.

Photo of young of the year walleye pollock, Prince William Sound, Alaska. Although adults are targeted in one of the largest commercial fisheries in the world, young of the year walleye pollock are important in diets of many marine predators.

Woman carries a rattlesnake with its head in a tube in one hand and snake tongs in the other
Carrying a tubed rattlesnake
Carrying a tubed rattlesnake
Carrying a tubed rattlesnake

Boise State University Master’s student Kristina Parker carries a Great Basin rattlesnake (Crotalus oreganus lutosus). The snake’s head is enclosed in a plastic tube to allow her to safely handle it during the biological sample collection process.

Boise State University Master’s student Kristina Parker carries a Great Basin rattlesnake (Crotalus oreganus lutosus). The snake’s head is enclosed in a plastic tube to allow her to safely handle it during the biological sample collection process.

two women use snake tongs to hold down a rattlesnake
Catching a rattlesnake with snake tongs
Catching a rattlesnake with snake tongs
Catching a rattlesnake with snake tongs

Boise State University Master’s student Kristina Parker and a volunteer use snake tongs to catch and hold down a rattlesnake.

Boise State University Master’s student Kristina Parker and a volunteer use snake tongs to catch and hold down a rattlesnake.

woman using a syringe to collect blood from a rattlesnake
Collecting a blood sample from a rattlesnake
Collecting a blood sample from a rattlesnake
Collecting a blood sample from a rattlesnake

Boise State University Master’s student Kristina Parker uses a syringe to collect blood from a Great Basin rattlesnake (Crotalus oreganus lutosus). The blood’s ribonucleic acid, or RNA will be analyzed to track genetic change in the snake from habitat disturbances. RNA, along with deoxyribonucleic acid – or DNA, are the molecules that carry genetic information.

Boise State University Master’s student Kristina Parker uses a syringe to collect blood from a Great Basin rattlesnake (Crotalus oreganus lutosus). The blood’s ribonucleic acid, or RNA will be analyzed to track genetic change in the snake from habitat disturbances. RNA, along with deoxyribonucleic acid – or DNA, are the molecules that carry genetic information.

rattlesnake held up in the air by snake tongs
Great Basin rattlesnake held by snake tongs
Great Basin rattlesnake held by snake tongs
Great Basin rattlesnake held by snake tongs

Great Basin rattlesnake (Crotalus oreganus lutosus) held by snake tongs. The Great Basin rattlesnake is the only venomous snake in Idaho.

Great Basin rattlesnake (Crotalus oreganus lutosus) held by snake tongs. The Great Basin rattlesnake is the only venomous snake in Idaho.

rattlesnake held by snake tongs with head in a plastic tube
Tubing a rattlesnake
Tubing a rattlesnake
Tubing a rattlesnake

A Great Basin rattlesnake (Crotalus oreganus lutosus) is coaxed into a plastic tube. This plastic tube allows researchers to safely handle the rattlesnake during biological sample collection.

A Great Basin rattlesnake (Crotalus oreganus lutosus) is coaxed into a plastic tube. This plastic tube allows researchers to safely handle the rattlesnake during biological sample collection.

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