Author: Du Bois, G.C., 1901.:
Title: Geologisch-bergmännische Skizzen aus Surinam. Das Prospectieren auf Goldseifen und die Abbaumethoden goldhaltiger Seifen.
Description: Freiburg in Sachsen: Craz und Gerlach. 8vo, 24cm. Pp. [viii],104,[4], 12 microphotos of rock samples on 2 plates with transparent explanatory overlay, 1 large fold. col. map, 13 illus. in text (incl. 7 full-page photos), bibl. Orig. printed wrappers, uncut. Covers a bit thumbed and with small repair, blank lower margin towards end with nail mark, good otherwise. Rare.

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