Agency
U.S. Geological Survey
USGS
Site identification number
301353090550302
n/a
Site name
An-18A
n/a
Site type
Well
GW
DMS latitude
301353
n/a
DMS longitude
0905503
n/a
Decimal latitude
30.2315851
n/a
Decimal longitude
-90.9175986
n/a
Latitude-longitude method
Interpolated from MAP.
M
Latitude-longitude accuracy
Accurate to + or - 10 sec.
T
Latitude-longitude datum
North American Datum of 1927
NAD27
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Louisiana
22
State
Louisiana
22
County
Ascension Parish
005
Country
US
n/a
Land net location description
S 28T 9S R 3E
n/a
Name of location map
GONZALES 187A
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
7.00
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
5
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Lake Maurepas
08070204
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19630101
n/a
Date site established or inventoried
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
CST
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
NYNNNNNN
n/a
National aquifer
Coastal lowlands aquifer system
S100CSLLWD
Local aquifer
Gonzales-New Orleans Aquifer
112GZNO
Local aquifer type
n/a
Well depth
460
feet
n/a
Hole depth
n/a
Source of depth data
n/a
Project number
n/a
