Agency
U.S. Geological Survey
USGS
Site identification number
422617071200901
n/a
Site name
WALDEN POND, CONCORD
n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude
422617
n/a
DMS longitude
0712009
n/a
Decimal latitude
42.43815007
n/a
Decimal longitude
-71.3353368
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
Massachusetts
25
State
Massachusetts
25
County
Middlesex County
017
Country
US
n/a
Land net location description
n/a
Name of location map
CONCORD, MA
n/a
Scale of location map
25000
n/a
Altitude of Gage/land surface
0.0
feet
n/a
Method altitude determined
Level or other surveyed method.
L
Altitude accuracy
.01
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Concord
01070005
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
19990802
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
YNNNNYNN
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
442513500
n/a
