U.S. Geographic Features from MyTopo
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Massachusetts
Norfolk County
Island
Aldridge Ledge
Aldridge Ledge
Island
Norfolk County · Massachusetts
Description
In Massachusetts Bay 8 mi ESE of Boston C.H.; City of Boston.
Nearby Features
Devils Back
Bar · 0.4 mi NNE
Halftide Rocks
Bar · 0.4 mi ENE
Boston South Channel
Channel · 0.5 mi NW
Calf Islands
Island · 0.7 mi ESE
Little Calf Island
Island · 0.8 mi E
Calf Island
Island · 0.8 mi ESE
Hypocrite Channel
Channel · 0.8 mi ENE
Commissioners Ledge
Island · 0.8 mi NNE
Pope Rock
Island · 0.9 mi ESE
Black Rock Channel
Gut · 0.9 mi SSW
Data Sources & Attribution
Feature data:
U.S. Geographic Names Information System (GNIS)
– U.S. Geological Survey.
Elevation:
USGS Elevation Point Query Service (EPQS)
.
Topographic basemap:
USGS National Map
.
Quad map thumbnails:
USGS US Topo
.
Watershed boundaries:
USGS Watershed Boundary Dataset (WBD)
.
Protected areas:
USGS Protected Areas Database (PAD-US)
– Gap Analysis Project.
Photos (where shown):
Wikidata
/
Wikimedia Commons
– individual licenses apply.
Printed map ordering:
MyTopo Map Store
.
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