OSNI Open Data: 50,000 Local Government District Boundaries for Northern Ireland (1993)

50,000 geospatial boundaries defining Local Government Districts in Northern Ireland as of 1993, published by the Ordnance Survey of Northern Ireland (OSNI). The dataset is provided by the Government Digital Service under the Open Government Licence. Its file formats include KML, GeoJSON, and ESRI Shapefile, suggesting it is intended for mapping applications.

Use Cases

• Create historical administrative maps for Northern Ireland based on the 1993 boundary definitions.
• Perform spatial joins with other datasets using the provided geospatial boundaries.
• Analyze changes in local government structure over time by comparing this 1993 snapshot with later data.
• Integrate boundary data into web or desktop mapping applications using the available GeoJSON or KML formats.

Strengths

• Contains 50,000 distinct boundary features, providing detailed spatial coverage.
• Available in multiple standard geospatial formats (KML, GeoJSON, ESRI Shapefile, CSV), enhancing interoperability.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Ordnance Survey of Northern Ireland (OSNI)

Collection Method

Published for OpenData, likely derived from official survey data.

Time Range

1993

Freshness

Last updated date is unknown.

Geography

Northern Ireland