| Latitude N. | Longitude E. | Meters above sea | Remarks |
|---|
| ° | ′ | ″ | ° | ′ | ″ | | |
| Jaghbub (mosque) | 29 | 44 | 41 | 24 | 31 | 11 | 32 | Position from previous determination byDr. Ball. |
| Jalo (El Erg) | 29 | 2 | 33 | 21 | 28 | 3 | 61 | |
| Bir Buttafal | 28 | 54 | 26 | 21 | 45 | 15 | 98 | |
| El Harrash Well (Zieghen) | 25 | 26 | 29 | 22 | 10 | 55 | 310 | |
| Taj (Kufra) | 24 | 13 | 47 | 23 | 23 | 41 | 475 | |
| Boema (Kufra. Rohlfs’s camp) | 24 | 13 | 8 | 23 | 24 | 40 | 400 | Short compass traverse from Taj |
| Arkenu | 22 | 12 | 32 | 24 | 44 | 15 | 598 | |
| Ouenat | 21 | 52 | 29 | 24 | 54 | 16 | 616 | |
| Erdi (camp 8 km. north of well) | 18 | 35 | 39 | 23 | 10 | 29 | 906 | |
| Agah | 17 | 52 | 38 | 23 | 15 | 55 | 744 | |
| Enebah | 17 | 21 | 24 | 23 | 14 | 28 | 1100 | |
| Bao | 16 | 28 | 24 | 23 | 1 | 47 | 969 | |
| Furawia | 15 | 21 | 51 | 23 | 38 | 10 | 857 | Longitude from Sudan map |