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Sierra Leone building footprints exported from OpenStreetMap, including residential, hospital, school, and place of worship features. The data is created by volunteer mappers and maintained by the Humanitarian OpenStreetMap Team (HOT), with a last update recorded on 2026-05-14. Completeness varies by region, with urban areas typically better mapped than remote areas.
License is ODbL-1.0, which requires attribution and share-alike for derivative databases.