U.S. Geographic Features from MyTopo
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Massachusetts
Essex County
Island
Martin Rock
Martin Rock
Island
Essex County · Massachusetts
Description
In Cat Island Channel 1 mi ENE of Cat Island; Town of Marblehead.
Nearby Features
Marblehead Channel
Channel · 0.2 mi NNW
Childrens Island
Island · 0.3 mi SSE
Childrens Island Channel
Channel · 0.3 mi NE
Archer Rock
Island · 0.4 mi WSW
Cormorant Rock
Island · 0.5 mi SSE
Brimbles
Island · 0.6 mi NE
Midchannel Rock
Island · 0.6 mi NNW
Chappel Ledge
Bar · 0.6 mi WNW
Eagle Island
Island · 0.7 mi NNE
Grays Rock
Island · 0.8 mi WNW
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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