FINISHED!! TNMCorps Mapping Challenge for City / Town Hall Structures in MT, ND, & SD

By The National Map Corps March 5, 2020

This challenge is now FINISHED!! Thank you to everyone who contributed!

We're putting together summary results and will post them on this page shortly. We're also working on a new challenge that will soon be posted on this page. In the mean time, our challenges for Arkansas schools and Arkansas city / town halls are still open!