Nicaragua canal project (2014) (blue line). stars indicate the proposed brito and camilo locks. the red line is the border between nicaragua (above) and costa rica (below).. The erie canal, built between 1817 and 1825, threatened traders south of new york city, who began to seek their own transportation infrastructure to link the burgeoning areas west of the appalachian mountains to mid-atlantic markets and ports.as early as 1820, plans were being laid for a canal to link the ohio river and chesapeake bay. in early march 1825, president james monroe signed the. Canal boat sales. black prince have been selling narrowboats for 25 years from their head office at stoke wharf in stoke prior, worcestershire. we are proud of our reputation for quality boat sales and excellent after sales service, meaning that many customers who buy a narrowboat from us return to us year after year, as well as recommending us to their friends..