Census boundary evidence
Notre Dame des Anges — 1921 census geography (QC)
This page identifies a census boundary representation. Source-table records below retain their own reporting-unit identity and geographic qualifications.
- Map snapshot identifier
- QC080007_1921
- Source boundary identifier
- QC080007
- Census vintage
- 1921
- Source label
- Notre Dame des Anges
- Province code
- QC
- District label
- Portneuf
- Level
- csd
- Representation class
- E93_Presence
Census continuity group: Notre Dame des Anges
TCP UID: QC080007
Census source records
Each link states the assessment that connected the source row to this map. Name candidates remain candidates; no source statistic is silently assigned to the map.
- Notre Dame des Anges — 1921 · 1921_V1T16, row 1776 unique_contextual_name_candidate
- Notre Dame des Anges — 1921 · 1921_V1T27, row 1775 unique_contextual_name_candidate
- Notre Dame des Anges — 1921 · 1921_V1T38, row 1775 unique_contextual_name_candidate
Boundary intersections across censuses
These are computed polygon intersections in the equal-area CRS ESRI:102001. Fractions describe the area of the earlier and later polygons, respectively. They do not establish historical succession, and population has not been apportioned by area. All positive intersections are retained, including very small contributions.
| Other census representation | Years (earlier → later) | Overlap (m²) | Fraction of earlier area | Fraction of later area | Evidence |
|---|---|---|---|---|---|
| Canton Bois (Rivière à Pierre) · 1911 | 1911 → 1921 | 2.5560050687235445 | 2.4638853741387793e-09 | 1.2112240392632148e-08 | PARTIAL_OVERLAPHistorical succession verified: False |
| Lac aux Sables · 1911 | 1911 → 1921 | 0.18328831555185915 | 1.6899059758566735e-09 | 8.68555452526316e-10 | PARTIAL_OVERLAPHistorical succession verified: False |
| Notre-Dame des Anges · 1911 | 1911 → 1921 | 211026608.03527766 | 0.9250943921017494 | 0.9999999753683969 | LATER_WITHIN_EARLIERHistorical succession verified: False |
| St. Alban · 1911 | 1911 → 1921 | 0.512091486748657 | 3.541529726188e-09 | 2.426667797500757e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
| St. Ubalde · 1911 | 1911 → 1921 | 0.7505086098104483 | 6.3610785433174685e-09 | 3.5564642691823693e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
| NO DATA · 1911 | 1911 → 1921 | 1.196029177597393 | 7.841617362606269e-09 | 5.667669870035227e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
Continuity assessments
- Notre-Dame des Anges (1911) → Notre Dame des Anges (1921): supported_continuity_with_area_separation
Area separations
| Earlier area | Continuing area | Separate area | Retained fraction | Separated fraction | Comparison status |
|---|---|---|---|---|---|
| Notre-Dame des Anges · 1911 | Notre Dame des Anges · 1921 | St. Rémi du Lac au Sable | 0.9250943921017494 | 0.0104931295298334 | later_totals_require_geographic_reconciliation |
| Notre-Dame des Anges · 1911 | Notre Dame des Anges · 1921 | Montauban, VL | 0.9250943921017494 | 0.0401895664098941 | later_totals_require_geographic_reconciliation |
| Notre-Dame des Anges · 1911 | Notre Dame des Anges · 1921 | Notre Dame des Anges, VL | 0.9250943921017494 | 0.0242229050231061 | later_totals_require_geographic_reconciliation |