The logic of geological maps, with reference to their interpretation and use for engineering purposes
By: by David J. Varnes.
Series: Geological Survey professional paper ; 837; Geological Survey professional paper ;; 837.
Publisher: U.S. Govt. Print. Off.
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 48
Subjects: Engineering geology.; Geology -- Maps.
Other titles: Logic of geological maps ...
Notes: Bibliography: p. 45-48.
Part of illustrative matter in pocket.