Agency
U.S. Geological Survey
USGS
Site identification number
390539077140101
n/a
Site name
MO De 18
n/a
Site type
Well
GW
DMS latitude
390539
n/a
DMS longitude
0771401
n/a
Decimal latitude
39.09427478
n/a
Decimal longitude
-77.233315
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
Maryland
24
State
Maryland
24
County
Montgomery County
031
Country
US
n/a
Land net location description
n/a
Name of location map
ROCKVILLE, MD-VA
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
390.00
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
Hillside
S
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19520928
n/a
Date site established or inventoried
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
YYYYNNNN
n/a
National aquifer
Piedmont and Blue Ridge crystalline-rock aquifers
N400PDMBRX
Local aquifer
Upper Pelitic Schist of Wissahickon Formation
300UPPC
Local aquifer type
n/a
Well depth
75.0
feet
n/a
Hole depth
75.0
feet
n/a
Source of depth data
n/a
Project number
n/a
