München, Lindauer'sche Buchhandlung, 1867. 4to. a. folio. Textvol. in contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. Atlas-vol. in orig. printed, clothbacked boards. Stamp on title-page. XX,158,CLXXII pp. Atlas with 18 lithographed plates, diagrams, profiles and with the large (67 x 39 cm.) coloured map of the lower Mississippi basin.
First German edition with additions by Grebenau. It was the most extensive river survey undertaken at that time and the survey was authorized by the Congress after two disastrous years of flooding. Here the authors introduced entirely new formulations to explain riverflow.