21. The origin of the roses and castles found on canal boats is unclear. 22. Canal boats can be rented on the canal at Canal Street.23. By 1825, the sailing-canal boat was developed to eliminate cargo transport. 24. The wharf was used to transfer coal from the railroad to canal boats . 25. Sails made the canal boats , which floated in shallow water, top-heavy and unstable. 26. The ditch where the canal boats traveled through is still visible. 27. The McLane Hotel, razed in 1964, was a stop for stagecoaches and canal boats . 28. Champlain, he said, holds dozens of commercial-era sloops, schooners, canal boats and other vessels. 29. The company was a canal boat operation that shipped coal between Pittsburgh and Philadelphia. 30. There are residential moorings and canal boats can be hired.