Agency
U.S. Geological Survey
USGS
Site identification number
473031111185001
n/a
Site name
20N03E11ABAD01
n/a
Site type
Well
GW
DMS latitude
473031
n/a
DMS longitude
1111850
n/a
Decimal latitude
47.5085688
n/a
Decimal longitude
-111.3146966
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.
S
Latitude-longitude datum
North American Datum of 1927
NAD27
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Montana
30
State
Montana
30
County
Cascade County
013
Country
US
n/a
Land net location description
NENWNES11 T20N R03E
n/a
Name of location map
NORTHWEST GREAT FALL
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
3320
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
Upper Missouri-Dearborn
10030102
Drainage basin
n/a
Topographic setting
Valley flat
V
Flags for instruments at site
YNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19591027
n/a
Date site established or inventoried
20011218
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
MST
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
YY Y
n/a
National aquifer
n/a
Local aquifer
Madison Group (Upper and Lower Mississippian)
331MDSN
Local aquifer type
n/a
Well depth
369
feet
n/a
Hole depth
369
feet
n/a
Source of depth data
S
n/a
Project number
n/a
