Agency
U.S. Geological Survey
USGS
Site identification number
401802090032801
n/a
Site name
21N 9W- 1.1f2
n/a
Site type
Well
GW
DMS latitude
401802
n/a
DMS longitude
0900328
n/a
Decimal latitude
40.30059829
n/a
Decimal longitude
-90.057895
n/a
Latitude-longitude method
Interpolated from MAP.
M
Latitude-longitude accuracy
Accurate to + or - 5 sec.
F
Latitude-longitude datum
North American Datum of 1927
NAD27
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Illinois
17
State
Illinois
17
County
Mason County
125
Country
US
n/a
Land net location description
SENENES 1 T 21N R 8W 3
n/a
Name of location map
HAVANA
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
470
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
5
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Lower Illinois-Lake Chautauqua
07130003
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
195901
n/a
Date site established or inventoried
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
Unchecked data.
U
Data-other GW files
YYYYNYNN
n/a
National aquifer
Sand and gravel aquifers (glaciated regions)
N100GLCIAL
Local aquifer
Quaternary System
110QRNR
Local aquifer type
Unconfined single aquifer
U
Well depth
84
feet
n/a
Hole depth
84
feet
n/a
Source of depth data
A
n/a
Project number
441706200
n/a
