1961 Dominican Republic road map, by the United States Army Map Service, from the Digital Commonwealth - 3f4638789. (<a rel="nofollow" class="external free" href="https://www.digitalcommonwealth.org/search/commonwealth:3f4638789">https://www.digitalcommonwealth.org/search/commonwealth:3f4638789</a>)
United States Army Map Service
Digital Commonwealth