Map showing the location of the survey [blue polygon] over northeastern Iowa and southeastern Minnesota
![Map showing the location of the survey [blue polygon] over northeastern Iowa and southeastern Minnesota](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Map%20%281%29.png?itok=EuNvLkvK)
Detailed Description
Map showing the location of the survey [blue polygon] over northeastern Iowa and southeastern Minnesota.
Sources/Usage
Public Domain.