Studies in photogeology in connection with geological mapping in Switzerland
Subtitle: specifically of the Tödi Range
By: Published under commission by the Federal Institute of Technology in Zurich, Eigeno̤ssische Technische Hochschule / by Robert Helbling : with added contributions by C. F. Baeschlin, H. Ha̤rry [and] J. Krebs ; translated by N. E. Odell.
Publisher: Orell Fṳssli
Published: 1949
Place of publication: Zurich
Language: eng
Number of pages: 137
Subjects: Geology -- Maps; Photographic surveying
Genres: Maps
Other titles: Photogeology.
Notes: Maps on 3 folded leaves in pocket.

Includes bibliographies.