Canada 1:250,000 : [National topographic series] /
Canada.Surveys and Mapping Branch.
Canada Centre for Mapping.
Canada.Army Survey Establishment.
Ottawa : The Dept.
1955?
Standard map series designation A501,A502.
Text in English and French.
Various editions.
Index map to adjoining sheets in margin.
Some earlier issues produced by the Army Survey Establishment, R.C.E, some later maps by Canada Centre for Mapping (Ottawa).
Legend of conventional signs on reverse of most sheets.
Graphic index with maps.