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Table B.3
Spatial file naming convention - file type

Character Description
a if digital boundary file, detailed coverage for large-scale mapping excluding hydrographic coverage
b if cartographic boundary file, detailed coverage for small-scale mapping
c if detailed interior lakes hydrographic coverage (polygon)
d if detailed interior rivers hydrographic coverage (line)
e ecumene
f if detailed interior lakes hydrographic coverage - closure lines (line)
g cartographic boundary file, generalized for desktop mapping
h additional cartographic international boundary coverage and hydrographic coverage of Great Lakes, St. Lawrence River and surrounding oceans
l if detailed interior islands (part of hydrographic coverage [polygon])
r road network files

Table source: Statistics Canada, Road Network File Reference Guide, 2010, catalogue number 92-500-GWE.