1780 Anton Heinrich du Plat Situations-Risse der neuerbauten Chausseen des Kurfürstentums Braunschweig-Lüneburg, Erster Teil, Innentitel, Gotthard Christoph Müller

Literature on today's federal highway b 217 (in germany): inside title of the book "situational sketches of the newly built highways of the electorate of brunswick-lüneburg. First part. The highway from hanover to hamelin. Including a report on the remarkable places along this route. . " written and published in 1780 by the royal and electoral engineer captain, cartographer, road and path construction engineer and later lieutenant general anton heinrich du plat, with the copper engraving of the milestone with the initials of king george iii (gr = george rex) and the inscription "4 3/4 miles from hanover to hamelin". Date: 1780.