Winthrop 1973/1983
PDF (8.1 MB)
USGS - Historic Quads
Winthrop 1973/1977
PDF (7.1 MB)
Winthrop 2010
PDF (10.3 MB)
USGS - US Topo
Winthrop 2013
PDF (17.1 MB)
Winthrop 2015
PDF (21.2 MB)
Winthrop
1:125,000
Anamosa
1:100,000
Dubuque
1:250,000
Oelwein SE
Lamont
Dundee
Quasqueton
Masonville
Walker
Troy Mills
Coggon