Zone: North East | Borders: Taraba, Borno, Gombe, Cameroon (international)
Adamawa State · Sub-category
Geography & Borders
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.