Download 1991 DIGITAL BOUNDARY FILES USER GUIDE

Data Administration – Administration des Données
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7. 1991 CENSUS DIVISION (CD) DIGITAL BOUNDARY FILE
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7.1 Content
The national coverage of the 1991 CD Digital Boundary File contains 296 polygons representing 290 census divisions
(CDs). 5 CDs have more than one polygon. (See list in Appendix F.)
A breakdown of the number of CDs by province/territory, the number of polygons per CD, and other relevant
information regarding the content of the file is given below:
PROVINCE/
TERRITORY
NUMBER
OF CDs
NUMBER OF
POLYGONS
NUMBER OF
CDs WITH
MORE THAN
ONE
POLYGON
TOTAL
NUMBER OF
LINE
SEGMENTS 13
TOTAL
NUMBER OF
ARCS 14
DISK
STORAGE
(BYTES)
ARC/INFO®
Export files
10
10
0
13,243
52
70,000
3
3
0
420
10
16,000
Nova Scotia
18
19
1
4,001
56
33,000
New Brunswick
15
15
0
5,778
57
40,000
Quebec
99
103
3
38,254
347
186,000
Ontario
49
49
0
18,567
167
97,000
Manitoba
23
24
1
10,724
90
61,000
Saskatchewan
18
18
0
7,146
64
46,000
Alberta
19
19
0
18,555
81
92,000
British Columbia
30
30
0
34,280
133
158,000
Yukon Territory
1
1
0
1,947
6
23,000
Northwest Territories
5
5
0
18,818
57
92,000
290
296
5
145,398
1,001
649,000
Newfoundland
Prince Edward Island
CANADA
13
All features in the Digital Boundary Files are represented by a series of x,y coordinates (points). A line segment joins two consecutive points.
14
An arc is a line between two consecutive intersections. It will generally be composed of more than one line segment.