Canada sea ice [cartographic material] / produced by the National Atlas Information Service, Canada Centre for Mapping, Energy, Mines and Resources Canada
Scale 1:12,500,000 or 1 cm represents 125 km ; Lambert conformal conic projection, standard parallels at 49⁰N and 77⁰N, modified polyconic projection, north of latitude 80⁰ (W 180⁰--W 10⁰/N 84⁰--N 40⁰).
Note
At head of title: The National atlas of Canada, 5th edition. "MCR 4151." On verso: 5.5 Sea ice.
Bibliography Note
Includes notes, definitions, and bibliographical references.