U.S. Geographic Features from MyTopo
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Illinois
Calhoun County
Island
Johnson Island
Johnson Island
Island
Calhoun County · Illinois
Description
Along the Mississippi River
Nearby Features
Indian Hill
Summit · 0.3 mi E
Turkey Lake
Lake · 0.8 mi SW
Turkey Island
Island · 0.8 mi NW
Cuivre Island
Island · 0.9 mi WSW
Bond Hollow
Valley · 1.0 mi NNW
Twin Lakes
Lake · 1.1 mi SW
Hat Island
Island · 1.3 mi SSE
Cuivre River
Stream · 1.4 mi WSW
Bobs Creek
Stream · 1.5 mi NW
Argent Slough
Stream · 1.6 mi WSW
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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