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Groundwater levels for the Nation

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Agency code = usgs
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  • 421024104060401
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USGS 421024104060401 31-062-18dcd01

Niobrara County, Wyoming
Latitude  42°39'22.3", Longitude 104°20'43.5" NAD83
Land-surface elevation 4,917 feet above NGVD29
The depth of the well is 250 feet below land surface.
The depth of the hole is 250 feet below land surface.
This well is completed in the High Plains aquifer (N100HGHPLN) national aquifer.
This well is completed in the Arikaree Formation (122ARKR) 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
1968-03-25 D62610 4869.67NGVD291Z  A
1968-03-25 D62611 4871.98NAVD881Z  A
1968-03-25 D7201947.33  1Z  A
1969-10-08 D62610 4856.96NGVD291Z  A
1969-10-08 D62611 4859.27NAVD881Z  A
1969-10-08 D7201960.04  1Z  A
1970-11-16 D62610 4846.00NGVD291Z  A
1970-11-16 D62611 4848.31NAVD881Z  A
1970-11-16 D7201971.00  1Z  A
1971-04-01 D62610 4861.00NGVD291Z  A
1971-04-01 D62611 4863.31NAVD881Z  A
1971-04-01 D7201956.00  1Z  A
1972-03-14 D62610 4862.17NGVD291Z  A
1972-03-14 D62611 4864.48NAVD881Z  A
1972-03-14 D7201954.83  1Z  A
1973-06-12 D62610 4855.48NGVD291S  A
1973-06-12 D62611 4857.79NAVD881S  A
1973-06-12 D7201961.52  1S  A
1975-07-16 D62610 4849.07NGVD291S  A
1975-07-16 D62611 4851.38NAVD881S  A
1975-07-16 D7201967.93  1S  A
1975-08-21 D62610 4850.90NGVD291S  A
1975-08-21 D62611 4853.21NAVD881S  A
1975-08-21 D7201966.10  1S  A
1975-09-24 D62610 4851.62NGVD291S  A
1975-09-24 D62611 4853.93NAVD881S  A
1975-09-24 D7201965.38  1S  A
1975-10-28 D62610 4853.13NGVD291S  A
1975-10-28 D62611 4855.44NAVD881S  A
1975-10-28 D7201963.87  1S  A
1976-03-30 D62610 4855.54NGVD291S  A
1976-03-30 D62611 4857.85NAVD881S  A
1976-03-30 D7201961.46  1S  A
1977-03-21 D62610 4853.68NGVD291S  A
1977-03-21 D62611 4855.99NAVD881S  A
1977-03-21 D7201963.32  1S  A
1978-03-17 D62610 4851.70NGVD291S  A
1978-03-17 D62611 4854.01NAVD881S  A
1978-03-17 D7201965.30  1S  A
1978-11-16 D62610 4847.12NGVD291S  A
1978-11-16 D62611 4849.43NAVD881S  A
1978-11-16 D7201969.88  1S  A
1979-03-20 D62610 4850.33NGVD291S  A
1979-03-20 D62611 4852.64NAVD881S  A
1979-03-20 D7201966.67  1S  A
1979-11-07 D62610 4847.09NGVD291S  A
1979-11-07 D62611 4849.40NAVD881S  A
1979-11-07 D7201969.91  1S  A
1980-03-07 D62610 4849.28NGVD291S  A
1980-03-07 D62611 4851.59NAVD881S  A
1980-03-07 D7201967.72  1S  A
1980-11-12 D62610 4845.90NGVD291S  A
1980-11-12 D62611 4848.21NAVD881S  A
1980-11-12 D7201971.10  1S  A
1981-03-25 D62610 4849.35NGVD291S  A
1981-03-25 D62611 4851.66NAVD881S  A
1981-03-25 D7201967.65  1S  A
1981-11-04 D62610 4844.46NGVD291S  A
1981-11-04 D62611 4846.77NAVD881S  A
1981-11-04 D7201972.54  1S  A
1982-05-19 D62610 4836.20NGVD291S  A
1982-05-19 D62611 4838.51NAVD881S  A
1982-05-19 D7201980.80  1S  A
1983-01-21 D62610 4835.86NGVD291S  A
1983-01-21 D62611 4838.17NAVD881S  A
1983-01-21 D7201981.14  1S  A
1983-05-24 D62610 4849.68NGVD291S  A
1983-05-24 D62611 4851.99NAVD881S  A
1983-05-24 D7201967.32  1S  A

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 measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.