Web Soil Survey - Web Soil Survey provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service and provides access to the largest natural resource information system in the world.
Iowa Soil Survey Correlation Dates Map (PDF) - A map showing the age of all Iowa soil surveys. The dates listed on the map refer to when all work on the survey was completed.
Highway Guide of Iowa Soil Associations (PDF, 5.8 MB)
For multiple copies, please call 1-888-LANDCARE.
Outside of Iowa, please call Jason Johnson at 515-323-2701
Contact: Rick Bednarek, State Soil Scientist
Phone: 515-323-2238
