| Main Author: |
Dorr, John Van N. 1910- |
| Other Authors: |
Park, Charles F., Jr., 1903-1990,, Paiva, Glycon de,, Geological Survey (U.S.),, Brazil. Divisão de Fomento 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,
1949.
United States Government Printing Office.
|
| Physical Description: |
1 online resource (iv, 51 pages, 4 pages of plates) : illustrations.
|
| Series: |
Geological Survey bulletin ;
964-A.
|
| Subjects: |
|