Name the railroad in Canada which is a short line railway operating between Portland, Maine on the Atlantic Ocean and Montreal in Quebec which had Coaticook station on its west side completed in 1853?
St. Lawrence and Atlantic Railroad The St. Lawrence and Atlantic Railroad (reporting mark SLR) , known as St-Laurent et Atlantique Quebec (reporting mark SLQ) in Canada, is a short line railway operating between Portland, Maine, on the Atlantic Ocean and Montreal, Quebec, on the St. Lawrence River. It crosses the Canada–US border at Norton, Vermont, and is owned by short line operator Genesee and Wyoming.
Parry Sound Colonization Railway The Parry Sound Colonization Railway Company (PSCR) is a historic Canadian railway that operated in Ontario. It originally intended to connect the town of Parry Sound to the Northern and Pacific Junction Railway but ran out of funds shortly after starting construction. The line was purchased by John Rudolphus Booth  in 1892 to form the western end of his Ottawa, Arnprior and Parry Sound Railway. Failing to come to an agreement on the location of an associated port, the line ultimately bypassed the town completely, running to Depot Harbour, a company town.