Кубенское озеро
Subsequently, maintenance works were performed. In 1834 a dam was constructed on the Sukhona to stabilize the level of Lake Kubenskoye. In 1884 the reconstruction of the canal (four of the locks were demolished) increased the maximum size of the ships which could use the canal. Finally, one more reconstruction was performed between 1916 and 1921. After the reconstruction the name of the canal was changed to avoid any mention of the royal family.