Heron Lake 1970/1972
PDF (5.9 MB)
USGS - Historic Quads
Heron Lake 2010
PDF (10.9 MB)
USGS - US Topo
Heron Lake 2013
PDF (18.9 MB)
Heron Lake 2016
PDF (19.8 MB)
Worthington
1:100,000
Fairmont
1:250,000
Heron Lake NW
Heron Lake NE
Harder Lake
Dundee
Heron Lake
Wilder
Brewster
Okabena
Lakefield