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Groundwater levels for the Nation

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Agency code = usgs
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  • 404407091574001
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USGS 404407091574001 069N10W36BDBA 03723 1949Keosauqua 2

Van Buren County, Iowa
Latitude  40°44'07", Longitude  91°57'40" NAD27
Land-surface elevation 633 feet above NGVD29
The depth of the well is 1,831 feet below land surface.
The depth of the hole is 1,831 feet below land surface.
This well is completed in the Ordovician-Cambrian Systems (360OVCB) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1954-02-01 D62610 593.00NGVD291OUSGSSP
1954-02-01 D62611 592.95NAVD881OUSGSSP
1954-02-01 D7201940.00  1OUSGSSP
1954-05-28 D62610 607.00NGVD291OUSGSSP
1954-05-28 D62611 606.95NAVD881OUSGSSP
1954-05-28 D7201926.00  1OUSGSSP
1954-06-09 D62610 613.00NGVD291L  A
1954-06-09 D62611 612.95NAVD881L  A
1954-06-09 D7201920.00  1L  A
1954-09 M62610 613.00NGVD291OUSGSSP
1954-09 M62611 612.95NAVD881OUSGSSP
1954-09 M7201920.00  1OUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyMDate is accurate to the Month
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementLInterpreted from geophysical logs.
Method of measurementOObserved.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.