Map of downtown Boston, dated 1911. However, the configuration of the subway lines, with the East Boston Tunnel but not the Washington Street Tunnel, dates the actual map content to between 1904 and 1908.
F.L. Miller &amp; Co.
circa 1904-1908 (data)<br>1911 (dated)
<a rel="nofollow" class="external text" href="http://maps.bpl.org/id/12556">Norman B. Leventhal Map Center</a>