41. The Lachine Canal became unproductive when the St . Lawrence Seaway opened up. 42. Eventually, the Cretaceous Seaway covered the Dakota, depositing the Mancos Shale. 43. In 1999 the company name reverted to DFDS Seaways . 44. Lawrence River immediately downstream from the Saint Lawrence Seaway . 45. She visited many ports and took part in the ceremonies dedicating the Seaway . 46. The Seaway Trail was officially renamed the Great Lakes Seaway Trail in 2010. 47. The Seaway Trail was officially renamed the Great Lakes Seaway Trail in 2010. 48. The Saint Lawrence Seaway opened in 1959, allowing vessels to bypass Montreal. 49. This ferry route is now operated by DFDS Seaways . 50. Laniel left federal politics in 1984 to join the Saint Lawrence Seaway Commission.
