Measuring Absolute Gravity on Top of Terry Peak, SD

Image: Measuring Absolute Gravity on Top of Terry Peak, SD

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.

Details

Image Dimensions: 1200 x 900

Location Taken: Deadwood, SD, US