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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 392023077085101 HO Ab 46

Howard County, Maryland
Latitude  39°20'23", Longitude  77°08'51" NAD27
Land-surface elevation 845 feet above NGVD29
The depth of the well is 400 feet below land surface.
The depth of the hole is 400 feet below land surface.
This well is completed in the Gillis Formation (300GLLS) local aquifer.

Period of record
Begin Date End Date Levels
1973-11-12 1973-11-12 1

 
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