This historical map portrays the area of Portage Entry in 2011, primarily covering Baraga Township as well as portions of Torch Lake Township, Klingville, and Portage Entry. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Portage Entry region at the time. Published in 2011, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Houghton
USGS Topo · 1:62,500
1946 · Chassell
USGS Topo · 1:24,000
1948 · Chassell
USGS Topo · 1:24,000
1954 · Traverse Island
USGS Topo · 1:24,000
1954 · Keweenaw Bay
USGS Topo · 1:62,500
1954 · Point Mills
USGS Topo · 1:24,000
1954 · Pelkie
USGS Topo · 1:62,500
1954 · Houghton
USGS Topo · 1:62,500
1958 · Hancock
USGS Topo · 1:250,000
1958 · Iron River
USGS Topo · 1:250,000