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Explore our planet and learn more about our work through photographs and imagery from scientists and support staff.

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View looking down a hand-dug, stone-lined well.
Well 46W179 in Clarke County, Virginia
Well 46W179 in Clarke County, Virginia
Well 46W179 in Clarke County, Virginia

Well 46W179 is a hand dug and stone-lined well in which water levels and temperature were recorded every hour with a submersible pressure transducer and data logger and downloaded every quarter from April of 2003 to April

Well 46W179 is a hand dug and stone-lined well in which water levels and temperature were recorded every hour with a submersible pressure transducer and data logger and downloaded every quarter from April of 2003 to April

Bridge over the Patuxent River near Bowie, MD
Patuxent River at Bowie, Maryland
Patuxent River at Bowie, Maryland
Patuxent River at Bowie, Maryland

Bridge over the Patuxent River near Bowie, Maryland. This site is the location of a River Input Monitoring (RIM) Station.

Station data: Patuxent River Near Bowie, MD - USGS Water Data for the Nation

Photo of a waterfall along Spout Run
Spout Run
Spout Run
Spout Run

Waterfall on Spout Run downstream of streamflow gaging station USGS 01636316 at Rt. 621 near Millwood

Waterfall on Spout Run downstream of streamflow gaging station USGS 01636316 at Rt. 621 near Millwood

Spout Run at Rt. 621 bridge
Spout Run
Spout Run
Spout Run

Spout Run at Rt. 621 bridge upstream of streamflow gaging station USGS 01636316 near Millwood.

You can see streamflow data for this site at USGS Water Data for the Nation here.

Spout Run at Rt. 621 bridge upstream of streamflow gaging station USGS 01636316 near Millwood.

You can see streamflow data for this site at USGS Water Data for the Nation here.

A dry stream segment with shaded, heavily vegetated banks.
Dry Marsh Run
Dry Marsh Run
Dry Marsh Run

Dry stream segment of Dry Marsh Run in the northwestern part of Clarke County, Virginia.  Upstream of the Rt. 635 bridge.

This region of Clarke County is locally referred to as the "Arabian Plain".

Dry stream segment of Dry Marsh Run in the northwestern part of Clarke County, Virginia.  Upstream of the Rt. 635 bridge.

This region of Clarke County is locally referred to as the "Arabian Plain".

Historical photo of an above-ground groundwater monitoring well from Franklin, Virginia.
1940s Monitoring Well in Franklin, Virginia
1940s Monitoring Well in Franklin, Virginia
1940s Monitoring Well in Franklin, Virginia

Under natural conditions, water levels in wells completed in many confined aquifers rise above the land surface, resulting in artesian flow. The well shown in the photograph was drilled near Franklin, Virginia, in 1941 to a depth of about 600 feet in confined aquifers. The initial water level in the well was about 7 feet above land surface.

Under natural conditions, water levels in wells completed in many confined aquifers rise above the land surface, resulting in artesian flow. The well shown in the photograph was drilled near Franklin, Virginia, in 1941 to a depth of about 600 feet in confined aquifers. The initial water level in the well was about 7 feet above land surface.

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