Author: Holtedahl, O. and J. A Dons
Title: Geologisk kart over Oslo og Omegn (1:50.000).
Description: Oslo, Norske Videnskaps-Akademi i Oslo, 1952. Multi-folded, full colour map (100.0 x 65.0 cm). = A seldom-seen detailed geological and geographical map of Oslo (Norway) and surroundings. When folded, size is 25 by 16.3 cm. In 1957, an explanatory booklet of 85 pp. was published, which is not included. Some wear to folds, small stain to versos (folded edges), otherwise very good; clean and unmarked.

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