| Main Author: |
Dorr, John Van N. 1910- |
| Other Authors: |
Geological Survey (U.S.),, Brazil. Departamento Nacional da Produção Mineral,, United States. Interdepartmental Committee on Scientific and Cultural Cooperation, |
| Format: |
eBook
|
| Language: |
English
|
| Published: |
[Washington, D.C.] :
United States Department of the Interior, Geological Survey,
1945.
United States Government Printing Office.
|
| Physical Description: |
1 online resource (iv, 47 pages, 6 pages of plates) : illustrations (some color).
|
| Series: |
Bulletin (Geological Survey (U.S.)) ;
no. 946-A.
|
| Subjects: |
|