Portland South 1978/1979
PDF (9.6 MB)
USGS - Historic Quads
Portland South 2011
PDF (20.7 MB)
USGS - US Topo
Portland South 2014
PDF (30.6 MB)
Portland South 2017
PDF (21.8 MB)
Portland
1:62,500
Lansing
1:100,000
Grand Rapids
1:250,000
Ionia
Portland North
Westphalia
Woodbury
Portland South
Eagle
Saubee Lake
Hoytville
Needmore