Agency
U.S. Geological Survey
USGS
Site identification number
391028089280001
n/a
Site name
9N 3W-31.4a
n/a
Site type
Well
GW
DMS latitude
391028
n/a
DMS longitude
0892800
n/a
Decimal latitude
39.17448678
n/a
Decimal longitude
-89.466742
n/a
Latitude-longitude method
Interpolated from MAP.
M
Latitude-longitude accuracy
Accurate to + or - 1 sec.
S
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
Montgomery County
135
Country
US
n/a
Land net location description
SWSWSES31 T9N R3W 3
n/a
Name of location map
HILLSBORO
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
640
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
Shoal
07140203
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
1979
n/a
Date site established or inventoried
199102
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
YYNYNNNN
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
32
feet
n/a
Hole depth
32
feet
n/a
Source of depth data
D
n/a
Project number
441700306
n/a
