Detail from an 1889 map of Ayer, Massachusetts, showing the large station and surrounding rail facilities
George H. Walker &amp; Co.
<a rel="nofollow" class="external text" href="http://www.wardmaps.com/viewasset.php?aid=3999">Scanned map</a> via Ward Maps<br>Originally published in <i>Atlas of Middlesex County, Massachusetts</i>