Agency
U.S. Geological Survey
USGS
Site identification number
383746076482901
n/a
Site name
CH Bg 12
n/a
Site type
Well
GW
DMS latitude
383747.7
n/a
DMS longitude
0764826.8
n/a
Decimal latitude
38.62991667
n/a
Decimal longitude
-76.8074444
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 (Differentially-Corrected GPS).
1
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
Charles County
017
Country
US
n/a
Land net location description
n/a
Name of location map
BRANDYWINE, MD
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
149.69
feet
n/a
Method altitude determined
Level or other surveyed method.
L
Altitude accuracy
1
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Lower Potomac
02070011
Drainage basin
n/a
Topographic setting
Valley flat
V
Flags for instruments at site
YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
19830824
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
EST
n/a
Site honors Daylight Saving Time
Y
n/a
Data reliability
Data have been checked by the reporting agency.
C
Data-other GW files
YYNYNYNN
n/a
National aquifer
Northern Atlantic Coastal Plain aquifer system
S100NATLCP
Local aquifer
Calvert Formation
122CLVR
Local aquifer type
Unconfined single aquifer
U
Well depth
24.5
feet
n/a
Hole depth
41
feet
n/a
Source of depth data
G
n/a
Project number
442400200
n/a
