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USGS 012112296 GREENWICH HARBOR AT GRASS ISLAND AT GREENWICH, CT
Data Type
Begin Date
End Date
Count
Current / Historical Observations
(
availability statement
)
2015-01-15
2024-04-19
Daily Data
Estuary or ocean water surface elevation above NAVD 1988, feet
2015-01-15
2024-04-18
6745
Water-Year Summary
2015
2023
9
Revisions
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USGS 415538072413401 CT-WL 27
Data Type
Begin Date
End Date
Count
Field groundwater-level measurements
1951-01-01
1951-01-01
1
Revisions
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