St. Lawrence Pilot: Gulf and River St. Lawrence to Montreal (H.O. No. 100) [with] Supplement to Hydrographic Office Publication No. 100: St. Lawrence Pilot - Corrections and Additions from Notices to Mariners and Other Sources from Date of Publication (O…

597 pp. Two fold-out maps, one of Canada (including four provinces) and one of the Great Lakes, precede text. A guide to navigating the St. Lawrence, with detailed information specific to certain stretches of the river, providing landmarks, depth data, sailing directions, tidal information etc. from the Atlantic ocean through to Montreal.