Dougherty 1972/1975
PDF (6.0 MB)
USGS - Historic Quads
Dougherty 2010
PDF (9.3 MB)
USGS - US Topo
Dougherty 2013
PDF (15.3 MB)
Dougherty 2015
PDF (18.1 MB)
Iowa Falls
1:100,000
Waterloo
1:250,000
Hanford
Mason City SE
Rockford
Sheffield
Dougherty
Aureola
Hampton North
Hansell
Dumont North