71°0'10w 71°0'5w 71°0'0w - kazmiera marina
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71°0'0"W
71°0'0"W
71°0'5"W
71°0'5"W
71°0'10"W
71°0'10"W42
°48'5
5"N
42°4
8'55"N
42°4
8'50"N
42°4
8'50"N
MERRIMACK RIVER, MASSACHUSETTS2016 NAVIGATION OBSTRUCTION SURVEY «US Army Corps
of EngineersNew England District
0 100 200 300Feet
1:1,5000 25 50 75 100
Meters
GCS NAD19832014 NAIP AERIAL IMAGERY
FEET (MLLW)1 FOOT CONTOUR INTERVAL
2006 USACE BATHYMETRY
0 -5 -10 -15
Name: Contact 001Position: Lat 42.814704 Long -71.001722 (WGS84)Target Length: 2.5 metersTarget Width: 2.5 metersTarget Shadow: 7.82 metersDescription: 2.5 meter square block. Minimum depthmeasured as -7.4 feet (mllw) from 2006 USACE survey.