1885 Map and profile showing by the red line the proposed extension of the Poughkeepsie, Hartford and Boston R.R. to Chicopee, Mass., by Herbert F. Keith, from the Digital Commonwealth - ocn143621879. (<a rel="nofollow" class="external free" href="https://www.digitalcommonwealth.org/search/commonwealth-oai:ww72bj17w">https://www.digitalcommonwealth.org/search/commonwealth-oai:ww72bj17w</a>)
Herbert F. Keith
Digital Commonwealth