The National Map Corps

Map Editor

Volunteers use a custom web editor to review and update structures displayed on The National Map. 

Screenshot of The National Map Corps Editor

This is a screenshot of The National Map Corps map editor (Public domain).  Click here to go to the editor.


NOTE that Google ChromeTM is the ideal browser to use with our online editor.  If you are having trouble viewing our editor properly on another browser, we recommend switching to ChromeTM.


The User Guide provides a thorough review of the Editor and the editing process.

As for the points in the Editor and what the different border colors mean, these are part of our tiered editing system.  Here are some articles describing our tiered editing roles: