| Name | Sonda F-15 borehole (phosphorite) |
| Number | F-15 |
| Type | borehole (section) |
| Country | Estonia |
| Parish | Sonda |
| Coordinates | null, null |
| Remarks | fosforiidiaugud, originaaltähistuses ladina F erinevalt vundamendi kirillitsa F-ist |
| Date added | 2003-05-20 |
| Date changed | 2018-11-06 |
Browse Geocollections
Partners
