Agency
U.S. Geological Survey
USGS
Site identification number
414121087340004
n/a
Site name
37N14E-13.4a2 (Well Seep 1-D)
n/a
Site type
Well
GW
DMS latitude
414121
n/a
DMS longitude
0873400
n/a
Decimal latitude
41.68916667
n/a
Decimal longitude
-87.5666667
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.
S
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
Cook County
031
Country
US
n/a
Land net location description
SWSWSES13 T37N R14E
n/a
Name of location map
LAKE CALUMET
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
585.97
feet
n/a
Method altitude determined
Differentially corrected Global Positioning System.
D
Altitude accuracy
.01
feet
n/a
Altitude datum
North American Vertical Datum of 1988
NAVD88
Subbasin hydrologic unit
Little Calumet-Galien
04040001
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
20161021
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
Y Y
n/a
National aquifer
n/a
Local aquifer
n/a
Local aquifer type
n/a
Well depth
9.73
feet
n/a
Hole depth
n/a
Source of depth data
S
n/a
Project number
GBR100
n/a
