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The USGS Franklin pipe extensometer with a total depth of 860 feet.

By Virginia and West Virginia Water Science Center
The USGS Franklin pipe extensometer with a total depth of 860 feet.
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Detailed Description

The USGS Franklin pipe extensometer with a total depth of 860 feet.

Period of record: 1979-1995; 2016-present

Sources/Usage

Public Domain.

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Check out more images of our Franklin Extensometer research site below:

Photo of the franklin extensometer before it was damaged by aquifer recovery. The fulcrum arm is level with the ground.
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Building housing the USGS Franklin extensometer.
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Five USGS scientists inspect equipment at the land subsidence research site in Franklin, Virginia.
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The original Franklin extensometer after it was damaged by aquifer rebound. The pipe is bent and the fulcrum is crooked.
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A photograph of the original Franklin extensometer.
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Historical photo of an above-ground groundwater monitoring well from Franklin, Virginia.
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