Discover and read the best of Twitter Threads about #historicmaps
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1/ Hello world! We just made 338 #HistoricMaps of #Palestine available to download in high resolution on Palestine Open Maps #PalOpenMaps. Please do share! palopenmaps.org (a project supported by @visualizingpal @basselkhartabil @creativecommons @mozilla @fabricatorz)
2/ All of the maps are in the public domain (expired copyright), sourced from archives including the David Rumsey map collection, the Israeli and Australian national libraries. The maps are all scanned at resolutions of at least 300dpi. Here's an example of the detail level... 
3/ We also just added a new split-screen mode to #PalOpenMaps, so that you can instantly compare the various historic map layers to present day satellite maps and #OpenStreetMap road overlays palopenmaps.org
