News

TNMCorps mapping challenges shift back to the mainland with a new challenge for law enforcement features in Kentucky and Tennessee! This is an...

Summary statistics are now available for this challenge. Thanks again to everyone who contributed!

This challenge is gaining momentum as volunteers have already verified most of the pre-existing seed data! Don't forget to check for missing features...

This challenge is now complete! Thanks to everyone who contributed!

Calling all Editors!! Are you interested in a unique project? The USGS is working on updating our US Pacific Territories layers. We need your help...

Summary statistics are now available for this challenge. Thanks again to everyone who contributed!

This challenge is now complete! Thanks to everyone who contributed!

This challenge is gaining momentum! Volunteers reverified over 700 points with no edit history since our last update - NICE WORK!! 

Volunteers contributed almost 50 edits since this challenge was launched; most of these edits are new points - NICE WORK! See our spatial analysis for...

This challenge is starting to gain momentum with approx. 30 edits since last week!