27N12W-18.

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	404917087445701	_n/a
Site name	27N12W-18.	_n/a
Site type	Well	GW
DMS latitude	404917	_n/a
DMS longitude	0874457	_n/a
Decimal latitude	40.8214237	_n/a
Decimal longitude	-87.7492005	_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	Iroquois County	075
Country	US	_n/a
Land net location description	SES18 T 27N R 12W 2	_n/a
Name of location map		_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	641 feet	_n/a
Method altitude determined	Interpolated from Digital Elevation Model	N
Altitude accuracy	1.6 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Iroquois	07120002
Drainage basin		_n/a
Topographic setting		_n/a
Flags for instruments at site	NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN	_n/a
Date of first construction	198508	_n/a
Date site established or inventoried	198508	_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	YYYYNNNN	_n/a
National aquifer		_n/a
Local aquifer		_n/a
Local aquifer type		_n/a
Well depth	200 feet	_n/a
Hole depth		_n/a
Source of depth data		_n/a
Project number	440014100	_n/a