| Author: | Jackson, Charles Freeman |
|---|---|
| Year: | 1932 |
| Document Type: | N/A |
| SUDOC: | C 22.3:356 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 356 |
| Subject: | Ores -- Sampling and estimation. |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38777/ |