Geologisk kart 3: Tegn-Forklaring
| Map series: | Geologiske kart |
|---|---|
| Region: | Akershus, Oslo, Telemark, Buskerud, Oppland, Hedmark, Vestfold, Vest-Agder, Aust-Agder, Østfold, Rogaland |
| Year: | 1865 |
| Techniques: | Litografi |
| Cartographers: | Theodor Kjerulf |