Geologiske kart 4ab: a. Næskilens ertsdrag b. Langsev, Thorbjørnsro samt Solberg ertsfelt
| Map series: | Geologiske kart |
|---|---|
| Region: | Aust-Agder |
| Year: | 1861 |
| Scale: | 1:5000 |
| Techniques: | Litografi |
| Cartographers: | Carl Schwenzen, Tellef Dahll |
| Map series: | Geologiske kart |
|---|---|
| Region: | Aust-Agder |
| Year: | 1861 |
| Scale: | 1:5000 |
| Techniques: | Litografi |
| Cartographers: | Carl Schwenzen, Tellef Dahll |