Incoming Resources
- La Crosse, prepared by the Army Map Service (HYAM), Corps of Engineers, U.S. Army
- Sioux City, prepared by the Army Map Service (ASPM), Corps of Engineers, U.S. Army
- Spring Grove quadrangle, Minnesota--Iowa, 7.5-minute series (topographic), produced by the United States Geological Survey
- Davenport, prepared by the Army Map Service (KCSX), Corps of Engineers, U.S. Army
- Dubuque, prepared by the Army Map Service
- Burlington, Iowa ; Ill. ; Mo., 1958, prepared by the Army Map Service
- Centerville, prepared by the Army Map Service AMSX), Corps of Engineers, U.S. Army
- Waterloo, prepared by the Army Map Service (AM), Corps of Engineers, U.S. Army
- Eitzen quadrangle, Minnesota--Iowa, 7.5-minute series, produced by the United States Geological Survey
- Des Moines, prepared by the Army Map Service (AM), Corps of Engineers, U.S. Army
- Mason City, prepared by the Army Map Service (AMSX), Corps of Engineers, U.S. Army
- Fremont, prepared by the Army Map Service (ASTT), Corps of Engineers, U.S. Army
- Nebraska City, prepared by the Army Map Service (AMGE), Corps of Engineers, U.S. Army
- Julian quadrangle, NE--MO--IA, 7.5-minute series, produced by the United States Geological Survey
- Iowa, prepared by Geography Division in cooperation with Data Preparation Division
- Fort Dodge, prepared by the Army Map Service (AM), Corps of Engineers, U.S. Army
- Sioux Falls, prepared by the Army Map Service (ASSX), Corps of Engineers, U.S. Army
- Hamburg quadrangle, IA--MO--NE, 7.5-minute series, produced by the United States Geological Survey
- Omaha, prepared by the Army Map Service (AM), Corps of Engineers, U.S. Army
- Fairmont, prepared by the U.S. Army Topographic Command ; revised by U.S. Geological Survey