Agency
U.S. Geological Survey
USGS
Site identification number
410625088443101
n/a
Site name
31N 4E-34.1a
n/a
Site type
Well
GW
DMS latitude
410624.9
n/a
DMS longitude
0884430.8
n/a
Decimal latitude
41.10691667
n/a
Decimal longitude
-88.74188889
n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS).
1
Latitude-longitude datum
North American Datum of 1983
NAD83
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Illinois
17
State
Illinois
17
County
Livingston County
105
Country
US
n/a
Land net location description
SESESES34 T31N R4E
n/a
Name of location map
BLACKSTONE
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
669.0
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
2.5
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
071300020805
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19970414
n/a
Date site established or inventoried
19980109
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
CST
n/a
Site honors Daylight Saving Time
N
n/a
Data reliability
Data have been checked by the reporting agency.
C
Data-other GW files
YYNYNYNNNNNNNNNNNNNN
n/a
National aquifer
Sand and gravel aquifers (glaciated regions)
N100GLCIAL
Local aquifer
Quaternary System
110QRNR
Local aquifer type
Confined single aquifer
C
Well depth
33.5
feet
n/a
Hole depth
33.5
feet
n/a
Source of depth data
G
n/a
Project number
441710600
n/a
