USGS launches new crowd source opportunity for CA map updates
A new challenge has been launched. It focuses on city halls in California and Nevada. See the link below for details. https://www.usgs.gov/core-science-systems/ngp/tnm-corps/mapping-challenges?qt-science_support_page_related_con=3#qt-science_support_page_related_con Please don’t forget that other US Topo map features can also be updated through the National Map Corps…
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