RT @ThomasG77: An old book but quite interesting named "Map Projections: A Working Manual" http://pubs.er.usgs.gov/publication/pp1395 … from #USGS
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RT @ThomasG77: An old book but quite interesting named "Map Projections: A Working Manual" http://pubs.er.usgs.gov/publication/pp1395 … from #USGS