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Measuring Absolute Gravity on Top of Terry Peak, SD

By Dakota Water Science Center
Image: Measuring Absolute Gravity on Top of Terry Peak, SD
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Detailed Description

USGS researchers made microgravity measurements to determine groundwater-storage changes in the karstic Madison aquifer in the Black Hills of South Dakota during 2009-12. The absolute-gravity measurement was made at a station located on top of Terry Peak in the northern Black Hills.

Sources/Usage

Public Domain.