ground-control-points – Grassroots Mapping http://grassrootsmapping.org Stories of community based mapping projects Sun, 01 Apr 2018 14:24:10 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.5 North arrow http://publiclaboratory.org/notes/juan/7-16-2012/north-arrow http://publiclaboratory.org/notes/juan/7-16-2012/north-arrow#respond Mon, 16 Jul 2012 10:02:40 +0000 http://grassrootsmapping.org/?guid=ccd5ba39c4767c0ac319e3deecc9614d If anybody is interested in ground control point targets for aerial photography, I can leave here this North arrow for you to print (courtesy of the Integration and Application Network, Universi...]]>

If anybody is interested in ground control point targets for aerial photography, I can leave here this North arrow for you to print (courtesy of the Integration and Application Network, University of Maryland Center for Environmental Science (ian.umces.edu/symbols/).

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