Great Seneca Creek at Blackrock Mill, MD

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	01644900	_n/a
Site name	GREAT SENECA CREEK AT BLACKROCK MILL, MD	_n/a
Site type	Stream	ST
DMS latitude	390737	_n/a
DMS longitude	0771847	_n/a
Decimal latitude	39.12694444	_n/a
Decimal longitude	-77.3130556	_n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
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	Maryland	24
State	Maryland	24
County	Montgomery County	031
Country	US	_n/a
Land net location description		_n/a
Name of location map	GERMANTOWN	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	240 feet	_n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	_n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Middle Potomac-Catoctin	02070008
Drainage basin		_n/a
Topographic setting		_n/a
Flags for instruments at site	NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN	_n/a
Date of first construction		_n/a
Date site established or inventoried	20051214	_n/a
Drainage area	60.2 square miles	_n/a
Contributing drainage area		_n/a
Time Zone abbreviation	EST	_n/a
Site honors Daylight Saving Time	Y	_n/a
Data reliability		_n/a
Data-other GW files		_n/a
National aquifer		_n/a
Local aquifer		_n/a
Local aquifer type		_n/a
Well depth		_n/a
Hole depth		_n/a
Source of depth data		_n/a
Project number	2476BICO1	_n/a