Tellef Dahll was known for his work in geological surveying and standing as Stortinget member for Bratsberg (now Telemark), and he was later made a knight in both the Order of St. Olav and the Order of the Polar Star.
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While the Norwegian government was officially neutral during WWI, they saw the need for increasingly efficient food production, and as such they attempted to run several similar mining and prospecting operations in the district.
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The site of Ødegården Verk is about 1 km south of the E18, turning off on the road Feset between Kragerø and Brevik.