Employment and income from gold placering by hand methods, 1935-37
- Författare
- Robinson Newcomb
- (Robinson Newcomb, Charles White Merrill, and R. L. Kiessling.)
- Genre
- Bibliografi
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| Work Projects Administration, National Research Project in cooperation with Dept. of the Interior, Bureau of Mines | 1940 | Pennsylvania, Philadelphia, Pa | xiv, 142 sidor. ill., 1 map, forms 26 cm. |