Preliminary maps and reports released by the Geologic Division and the Conservation Division 1948
By: by Ruth A. Atherton
Series: Geological Survey (U.S.). Circular -- 64; Geological Survey circular -- 64.
Published: 1949
Place of publication: [Washington]
Language: eng
Number of pages: 22
Subjects: Bibliography; Geological Survey (U.S.)
Notes: Cover title.

In tabular form.