sentences:  This project was implemented between 1765 and 1802 (so-called Syas Canal).The third part of the Ladoga Canal, connecting the Syas and the Svir, was built over the years 1802 to 1810 (so-called Svir Canal).In the course of the 19th century, the Ladoga Canal was used by about 15,000 vessels and 10,000 rafts heading towards St. Petersburg every year, but silted up so badly that Alexander II's government decided that it was more practicable to build a new canal instead of repairing the old facilities.