| S/N | Data Type | Date | Scale/Resolution/Number Administered | Sources |
|---|---|---|---|---|
| 1 | 1a. Topographic map, Ijebu Ode S.W Sheet 280 S.W 1b. Topographic map, Lagos N.E Sheet 279 N.E |
1964 | 1:50,000 | Federal Survey Dept, Lagos c/o Department of Geography, University of Lagos. |
| 2 | IKONOS satellite imagery | 2000, 2015 | 1m | Department of Geography, University of Lagos |
| 3 | Questionnaire | 2015 | 250 | Field work |