ME-PASSADUMKEAG: Authoritative US Topos Historic 1917
Authoritative Historic U.S. Topos (Copyright) The historic edition of paper topographic maps of the USGS have been hyper-accurately imaged, processed, Georeferenced, and colorized. Because of high quality USGS cartography, and because of The W.E. Upjohn Center's thorough accuracy control, these m...
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