2017 Map of Thunder Bay Island
USGS Topo · Published 2017About this map
Thunder Bay Island and its neighboring landforms emerge from the expanse of Lake Huron in this modern topographic study of Alpena County's coastal waters. This specialized island group, including the distinctive profiles of Sugar Island and Gull Island, represents a critical maritime navigation point at the mouth of the bay. The map provides precise boundary data for townships t31n r10e and t30n r10e, defining the jurisdictional limits of these offshore features. While largely defined by the surrounding lake, the terrestrial detail focuses on the isolation and specific geography of these islands as they appeared in 2017.
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Map Details
Editions of this 2017 Thunder Bay Island Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1954 · Tawas City
USGS Topo · 1:250,000
1954 · Alpena
USGS Topo · 1:250,000
1957 · Alpena
USGS Topo · 1:250,000
1958 · Alpena
USGS Topo · 1:250,000
1958 · Tawas City
USGS Topo · 1:250,000
1969 · Alpena
USGS Topo · 1:250,000
1971 · Thunder Bay Island
USGS Topo · 1:24,000
1971 · Middle Island
USGS Topo · 1:24,000
1971 · North Point
USGS Topo · 1:24,000
1971 · South Point
USGS Topo · 1:24,000