Author: Rath, G. vom, 1884.:
Title: Geologische Briefe aus America an Se. Excellenz Herrn Dr. H. von Dechen. (Separat-Abdruck aus den Sitzungsberichten der niederrheinischen Gesellschaftr für Natur- und Heilkunde zu Bonn [...].)
Description: Bonn: Carl Georgi. 8vo, 20.8cm. Pp. [ii],76, 2 figs., few notes. Contemp. cloth-backed boards, orig. printed wrs. mounted. First and last page browned, good otherwise. - Author's edition with his printed presentation note on front cover. On geology, petrology and mineralogy, while traveling in Colorado, Nevada, and Mexico. Rare.

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