| Author: | Ruhl, Otto |
|---|---|
| Additional Authors: | Allen, Simeon A. |
| Year: | 1949 |
| Document Type: | N/A |
| SUDOC: | I 28.23:4490 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 4490 |
| Subjects: | Zinc ores -- Missouri. |
| Lead ores -- Missouri. | |
| Zinc ores -- Kansas. | |
| Lead ores -- Kansas. | |
| Zinc ores -- Oklahoma. | |
| Lead ores -- Oklahoma. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38515/ |