Original Post from Google Maps:
Journey back in time with this 1814 map tracing Lewis & Clark’s storied explorations of the American West, viewable in #MapsGallery via the David Rumsey Map Collection. goo.gl/mPKbcA
via Public RSS-Feed of David Hutchinson. Created with the PIXELMECHANICS 'GPlusRSS-Webtool' at http://gplusrss.com http://ift.tt/1dhCnun
