TNMCorps is an online crowdsourcing mapping project with volunteers successfully editing structure features in all 50 States, Puerto Rico, and the U.S. Virgin Islands. Part of The National Map content, structures include schools, hospitals, post offices, cemeteries, police stations, and other important public buildings. By updating and verifying structures data, volunteers are making significant contributions to the USGS National Structures Dataset, The National Map, and ultimately US Topo Maps. TNMCorps has recently incorporated a new online editor and this presentation will include the latest updates on the project and progress to date.
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