Sinking practice and costs at Pim shaft, St. Louis Smelting & Refining Works of National Lead Co., St. Francois, Mo.
| Other author | Poston, Roy H. |
| Other author | National Lead Company. |
| Format | Microform |
| Publication Info | Washington, D.C. : [publisher not identified], 1932. |
| Description | 12 pages : illustrations ; cm. |
| Subjects |
| Series | Mines Bur. Info. Circ. No. 6588 |
| General note | Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions. |
| General note | [With data] |
| Citation/References note | CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 2 |
| Reproduction note | Joyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1997, 11 x 15 cm. (CIS US Executive Branch Documents : no. C22.11-6588) |
| Govt. docs number | C 22.11:6588 |