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Image: Bamboo Pointer belonging to Levi F. Noble
Bamboo Pointer belonging to Levi F. Noble
Bamboo Pointer belonging to Levi F. Noble
Bamboo Pointer belonging to Levi F. Noble

The pointer is a souvenir from the Third Pan-Pacific Science Congress held in Tokyo in 1926. A prominent geologist, Noble (1882-1965) spent his entire career with the U.S. Geological Survey.

The pointer is a souvenir from the Third Pan-Pacific Science Congress held in Tokyo in 1926. A prominent geologist, Noble (1882-1965) spent his entire career with the U.S. Geological Survey.

Image: Open-sight Alidades
Open-sight Alidades
Open-sight Alidades
Open-sight Alidades

Open-sight Alidades. This type of alidade is a straightedge with a sighting device parallel to the edge. Early alidades were simple bars with open sights on either end, while telescopic alidades were introduced in the early 1800s. The examples here of solid brass and an early plastic/wood combination.
Object ID: USGS-000629, USGS-000631

Open-sight Alidades. This type of alidade is a straightedge with a sighting device parallel to the edge. Early alidades were simple bars with open sights on either end, while telescopic alidades were introduced in the early 1800s. The examples here of solid brass and an early plastic/wood combination.
Object ID: USGS-000629, USGS-000631

Image: Engineer's and Surveyor's Transit
Engineer's and Surveyor's Transit
Engineer's and Surveyor's Transit
Engineer's and Surveyor's Transit

Manufactured by C.L. Berger & Sons, Boston, Massachusetts, serial #27124. The company was founded by Christian Louis Berger (1842-1922) who was born at Stuttgart, Germany and moved to Boston in 1866. In 1871 he joined with George Louis Buff, and began trading as Buff & Berger.

Manufactured by C.L. Berger & Sons, Boston, Massachusetts, serial #27124. The company was founded by Christian Louis Berger (1842-1922) who was born at Stuttgart, Germany and moved to Boston in 1866. In 1871 he joined with George Louis Buff, and began trading as Buff & Berger.

Image: Universal Spectrophotometer
Universal Spectrophotometer
Universal Spectrophotometer
Universal Spectrophotometer

Manufactured by Coleman Electric Company, Inc., Maywood, Illinois; serial #9171, 1940s. This instrument was used in the U.S. Geological Survey Water-Quality office/laboratory in Worland, Wyoming which opened in 1946 and closed in 1982. It was used to measure how much color spectra was absorbed by water.

Manufactured by Coleman Electric Company, Inc., Maywood, Illinois; serial #9171, 1940s. This instrument was used in the U.S. Geological Survey Water-Quality office/laboratory in Worland, Wyoming which opened in 1946 and closed in 1982. It was used to measure how much color spectra was absorbed by water.

Image: USGS Coral Reef Researcher
USGS Coral Reef Researcher
USGS Coral Reef Researcher
USGS Coral Reef Researcher

Don Hickey finishes installing ocean chemistry monitoring equipment on Sombrero Reef, Florida Keys.

Don Hickey finishes installing ocean chemistry monitoring equipment on Sombrero Reef, Florida Keys.

Image: Souris River
Souris River
Souris River
Souris River

The Souris River in July.

Image: Deer Tick Nymph
Deer Tick Nymph
Deer Tick Nymph
Deer Tick Nymph

Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of a blacklegged (deer) tick nymph.

Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of a blacklegged (deer) tick nymph.

Image: Cliffs Above the North Fork Virgin River, Zion National Park, UT
Cliffs Above the North Fork Virgin River, Zion National Park, UT
Cliffs Above the North Fork Virgin River, Zion National Park, UT
Image: Scientist Captures thermal images of the Redoubt Lava Dome from Helicopter.
Scientist Captures thermal images of the Redoubt Lava Dome from Helicopter.
Scientist Captures thermal images of the Redoubt Lava Dome from Helicopter.
Image: California Cliffs and Coastline
California Cliffs and Coastline
California Cliffs and Coastline
California Cliffs and Coastline

Colorful vegetated clifftop near Half Moon Bay, California.

Image: Coral Calcification Monitoring Stations
Coral Calcification Monitoring Stations
Coral Calcification Monitoring Stations
Coral Calcification Monitoring Stations

Don Hickey tightens a bolt on a coral calcification monitoring station. Corals are being monitored for growth and sampled for climate proxy indicators (isotopes, elemental ratios).

Don Hickey tightens a bolt on a coral calcification monitoring station. Corals are being monitored for growth and sampled for climate proxy indicators (isotopes, elemental ratios).

Image: Mapleleaf Mussel
Mapleleaf Mussel
Mapleleaf Mussel
Mapleleaf Mussel

Mapleleaf mussel, Quadrula quadrula, collected from the Great Lakes region of Canada.  

Mapleleaf mussel, Quadrula quadrula, collected from the Great Lakes region of Canada.  

Image: Suburban Growth
Suburban Growth
Suburban Growth
Suburban Growth

A dense suburban neighborhood located north of Cincinnati, Ohio. The conversion of forest, agriculture, and grasslands to development can change hydrology at local and regional scales, alter wildlife habitat, and affect local weather patterns. 

A dense suburban neighborhood located north of Cincinnati, Ohio. The conversion of forest, agriculture, and grasslands to development can change hydrology at local and regional scales, alter wildlife habitat, and affect local weather patterns. 

Image: Red River of the North
Red River of the North
Red River of the North
Red River of the North

Red River of the North at Grand Forks, North Dakota.

Image: Summer Day on Agassiz National Wildlife Refuge, Minnesota
Summer Day on Agassiz National Wildlife Refuge, Minnesota
Summer Day on Agassiz National Wildlife Refuge, Minnesota
Image: Agapostemon Splendens Sweat Bee
Agapostemon Splendens "Sweat Bee"
Agapostemon Splendens "Sweat Bee"
Agapostemon Splendens "Sweat Bee"

A male Agapostomen splendens: A bee of sandy areas also known as the "sweat bee."

Image: Rhizophora
Rhizophora
Rhizophora
Rhizophora

A large red mangrove near the Shark River in Everglades National Park.

A large red mangrove near the Shark River in Everglades National Park.

Image: Summer Day in North Dakota
Summer Day in North Dakota
Summer Day in North Dakota
Summer Day in North Dakota

A summer day in North Dakota on the Knife River near Golden Vally, North Dakota.

A summer day in North Dakota on the Knife River near Golden Vally, North Dakota.

Image: Summer Day in North Dakota
Summer Day in North Dakota
Summer Day in North Dakota
Summer Day in North Dakota

A summer day in North Dakota on the Little Muddy River below Cow Creek near Williston.

A summer day in North Dakota on the Little Muddy River below Cow Creek near Williston.

Image: U.S. Fish and Wildlife Service Vessel Seen Through Bird Flock
U.S. Fish and Wildlife Service Vessel Seen Through Bird Flock
U.S. Fish and Wildlife Service Vessel Seen Through Bird Flock
U.S. Fish and Wildlife Service Vessel Seen Through Bird Flock

U.S. Fish and Wildlife Service vessel Tiglax off of Kasatochi Island, Alaska, as seen through a flock of Crested Auklets.

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