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