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Image: Traveling Hydrographer
Traveling Hydrographer
Traveling Hydrographer
Traveling Hydrographer

Spring in Maine introduces significant challenges for hydrographers when it comes to accessing remote stations. In this photo, hydrologic technician Anthony Underwood is prepared to visit the USGS gaging station on Libby Brook near Northfield, Maine.

Spring in Maine introduces significant challenges for hydrographers when it comes to accessing remote stations. In this photo, hydrologic technician Anthony Underwood is prepared to visit the USGS gaging station on Libby Brook near Northfield, Maine.

Image: Rising River
Rising River
Rising River
Rising River

On April 9, 2014 a visit to the USGS gaging station on Libby Brook near Northfield, Maine showed that while runoff had caused a large rise in the small brook, there still remained a significant snowpack in the area.

On April 9, 2014 a visit to the USGS gaging station on Libby Brook near Northfield, Maine showed that while runoff had caused a large rise in the small brook, there still remained a significant snowpack in the area.

Image: Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

Image: Mountain Trail through Catoctin Mountain Park
Mountain Trail through Catoctin Mountain Park
Mountain Trail through Catoctin Mountain Park
Mountain Trail through Catoctin Mountain Park

A hiking trail winds through the woods of Catoctin Mountain Park towards the Chimney Rock formation. Catoctin Mountain is part of the Blue Ridge Mountains.

A hiking trail winds through the woods of Catoctin Mountain Park towards the Chimney Rock formation. Catoctin Mountain is part of the Blue Ridge Mountains.

Image: Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

Image: Chimney Rock Panorama
Chimney Rock Panorama
Chimney Rock Panorama
Chimney Rock Panorama

A panorama of the Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

A panorama of the Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

Image: Chimney Rock Panorama
Chimney Rock Panorama
Chimney Rock Panorama
Chimney Rock Panorama

A panorama of the Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

A panorama of the Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

Image: Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation
Chimney Rock Formation

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

The Chimney Rock formation with Catoctin Moutain Park. Catoctin Mountain is part of the Blue Ridge Mountains. Chimney Rock is mostly made of quartzite, a metamorphic mineral.

view across Ashumet Pond, Cape Cod, Massachusetts
Ashumet Pond, Cape Cod
Ashumet Pond, Cape Cod
Ashumet Pond, Cape Cod

View looking west from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks in the lake are a small-scale sampling grid. 

View looking west from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks in the lake are a small-scale sampling grid. 

Image: Spider Unit & 2014 Washington Landslide
Spider Unit & 2014 Washington Landslide
Spider Unit & 2014 Washington Landslide
Spider Unit & 2014 Washington Landslide

The photograph shows a spider unit, which is being used to help study the landslide that occurred in northwest Washington on March 22, 2014. Spiders are portable instrumentation packages that contain high-precision GPS units for detecting landslide movement as well as geophones for detecting small vibrations. The spiders can be emplaced by hovering helicopters.

The photograph shows a spider unit, which is being used to help study the landslide that occurred in northwest Washington on March 22, 2014. Spiders are portable instrumentation packages that contain high-precision GPS units for detecting landslide movement as well as geophones for detecting small vibrations. The spiders can be emplaced by hovering helicopters.

Image: Pallid Sturgeon in Dip Net
Pallid Sturgeon in Dip Net
Pallid Sturgeon in Dip Net
Pallid Sturgeon in Dip Net

Biologists work together to conduct reproductive assessments on pallid sturgeon held in study ponds.  

Biologists work together to conduct reproductive assessments on pallid sturgeon held in study ponds.  

Image: Oso, Washington Landslide
Oso, Washington Landslide
Oso, Washington Landslide
Oso, Washington Landslide

Oblique aerial photograph of the Oso, Washington landslide, showing the entire extent of the landslide source area and path.

Location: State Route 530, Oso, Washington

Oblique aerial photograph of the Oso, Washington landslide, showing the entire extent of the landslide source area and path.

Location: State Route 530, Oso, Washington

Image: Pallid Sturgeon Holding Tanks
Pallid Sturgeon Holding Tanks
Pallid Sturgeon Holding Tanks
Pallid Sturgeon Holding Tanks

Biologists work together to conduct reproductive assessments on pallid sturgeon held in study ponds.  

Biologists work together to conduct reproductive assessments on pallid sturgeon held in study ponds.  

Colorado River at Southerly International Boundary during the pulse flow.
Colorado Riverduring the pulse flow
Colorado Riverduring the pulse flow
Colorado Riverduring the pulse flow

Colorado River at Southerly International Boundary during the pulse flow, March 29th, 2014. 

Colorado River at Southerly International Boundary during the pulse flow, March 29th, 2014. 

Image: Corals Growing Under Red Mangrove Prop Roots
Corals Growing Under Red Mangrove Prop Roots
Corals Growing Under Red Mangrove Prop Roots
USGS scientists measure streamflow and collect sediment samples on the Colorado River.
Collect sediment samples on the Colorado River
Collect sediment samples on the Colorado River
Collect sediment samples on the Colorado River

USGS scientists measure streamflow and collect sediment samples on part of the normally dry Colorado River along the United States-Mexico border. 

USGS scientists measure streamflow and collect sediment samples on part of the normally dry Colorado River along the United States-Mexico border. 

Portrait of a man with beard
Ryan McClymont
Ryan McClymont
Ryan McClymont

Portrait of Ryan McClymont

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