1. Extended indicator map of London : divided into quarter mile squares for measuring distances Yale Public content 1905. 2013-01-28T16:04:45Z. 2018-09-05T20:08:35Z. C. Smith & Son, cartographer, publisher. C. Smith & Son, 23, Craven St., W.C. CtY-BR. English. cartographic image. Public. London (England).