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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420423091402801 084N07W21BCCA

Linn County, Iowa
Latitude  42°04'23", Longitude  91°40'28" NAD27
Land-surface elevation 880 feet above NGVD29
The depth of the well is 186 feet below land surface.
The depth of the hole is 186 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Devonian-Silurian System (340DVSL) local aquifer.

Period of record
Begin Date End Date Levels
1936-04-14 1936-04-14 1

 
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