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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 431224099292801 97N73W21BC

Gregory County, South Dakota
Latitude  43°12'24", Longitude  99°29'28" NAD27
Land-surface elevation 2,144 feet above NAVD88
The depth of the hole is 50.0 feet below land surface.

Period of record
Begin Date End Date Levels
1978-09-11 1978-09-11 1

 
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