Before and after imagery of the original Franklin Extensometer. The original Franklin extensometer measured aquifer compaction near the groundwater pumping center at Franklin, Virginia from 1979 to 1995.
Franklin Extensometer Before Aquifer Rebound
![Photo of the franklin extensometer before it was damaged by aquifer recovery. The fulcrum arm is level with the ground.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/FranklinBefore_1.png?itok=YUaQqyQn)
Detailed Description
Image of the franklin extensometer before it was damaged by aquifer recovery.
Originally published in:
Pope, J. P. (2002). Characterization and modeling of land subsidence due to groundwater withdrawals from the confined aquifers of the Virginia Coastal Plain (Doctoral dissertation, Virginia Tech).
Sources/Usage
Public Domain.