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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 471738108251001
Minimum number of levels = 1
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USGS 471738108251001 18N26E29AAA 01

Petroleum County, Montana
Latitude  47°17'38", Longitude 108°25'10" NAD27
Land-surface elevation 2,960 feet above NGVD29
The depth of the well is 2,092 feet below land surface.
The depth of the hole is 2,092 feet below land surface.
This well is completed in the Eagle Formation (211EGLE) local aquifer.
Output formats
Table of data
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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
1978-09-20 D62610 3037.02NGVD291GUSGSSA
1978-09-20 D62611 3039.46NAVD881GUSGSSA
1978-09-20 D72019-77.02  1GUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementGPressure-gage measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.