Chart - St. Lawrence Seaway - Grindstone Island to Howe Island
Entry/Object ID
2023.5.31
Scope and Content
Chart - St. Lawrence Seaway - Grindstone Island to Howe Island
No. 1420
Polyconic projection
Provisional Edition
Compiled by the Canadian Hydrographic Service, 1958-1959
U.S. Lake Survey charts and surveys by the Canadian Hydrographic Service
Inset of Bateau Channel
Previous edition: 1959
Revision: 1961, 1962, 1963, 1964
Scale: 1:25,000 - soundings in feet
Physical Characteristics: Condition: worn and torn with patches replaced
Collection
Flat Files
Acquisition
Accession
2023.5
Archive Details
Creator
Surveys and Mapping Branch Department of Mines and Technical Surveys, Canadian Hydrography Service