National Geospatial Technical Operations Center

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TNMCorps Mapping Challenge: Schools in CO NoHistory as of 08/05/21

A before-and-after image showing the change in edits between 7/29/21 and 8/05/21. Volunteers edited over 400 points during this timeframe (public domain). 

TNMCorps Mapping Challenge: City/Town Halls in TX as of 09/23/21

A before-and-after image showing the change in edits between 9/16/21 and 9/23/21 (public domain).

TNMCorps Mapping Challenge: City/Town Halls in FL as of 06/04/20

TNMCorps Mapping Challenge: City/Town Halls in FL as of 06/04/20

TNMCorps Mapping Challenge: City/Town Halls in TX as of 11/04/21

A before-and-after image showing the change in edits between 10/28/21 and 11/04/21. This challenge is now finished (public domain).