| Quarries | Latitude | Longitude |
| Kombé (crushed sand) | 04˚21'04.6'' | 015˚10'18.9'' |
| Fleuve (river sand) | 04˚21'41.1'' | 015˚10'16.5'' |
| Djiri (white sand) | 04˚07'15.8'' | 015˚17'38.9'' |
| Mfilou (white sand) | 04˚13'00.5'' | 015˚12'08.5'' |