![](http://www.alamy.com/thumbs/6/DB43F921-9CE1-4CD7-A79D-6315B736908F/W306F9.jpg)
USGS TOPO Maps Iowa IA Wallin 20100525 TM Restoration
Size: 6354px × 8351px
Photo credit: © Wetdryvac / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: geological, government, historical, map, mapping, maps, orienteering, repaired, restoration, restored, states, survey, topo, topographic, topographical, united, usgs