Kainji Dam (first major hydropower dam, 1968); Gurara Falls; Zuma Rock; Nupe bronze castings (Bida)
Niger State · Sub-category
Tourist Attractions
Methodology
Tier 1 · primary
Courts. Gazettes. National archives.
Tier 2 · corroborating
OCCRP. HRW. BudgIT. TheCable.
Tier 4 · tertiary, flagged
Wikipedia only where primary is pending. Always labelled.