Porterfield 1982/1983
PDF (9.1 MB)
USGS - Historic Quads
Porterfield 2010
PDF (16.1 MB)
USGS - US Topo
Porterfield 2013
PDF (35.6 MB)
Porterfield 2016
PDF (25.5 MB)
Porterfield
1:48,000
Marinette
1:100,000
Escanaba
1:250,000
Wausaukee South
Bear Point
McAllister
Loomis
Chappee Rapids
Porterfield SW
Harmony
Marinette West