Experiments in underground communication through earth strata.
| Other author | Freeman, Howard Bassett, 1889- |
| Other author | Ilsley, L. C. (Lee Clyde), 1880- |
| Other author | Zellers, D. H. |
| Format | Microform |
| Publication Info | [Washington?] : U.S. G.P.O., 1928. |
| Description | iv, 60 pages : illustrations ; cm. |
| Subjects |
| Series | Mines Bur. Technical Paper No. 433 |
| General note | Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions. |
| General note | [On means of communicating with trapped miners; with data on selected apparatus] |
| 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. C22.5-433) |
| Govt. docs number | C 22.5:433 |
| Govt. docs number | I 28.7:433 |
Availability
| Library | Location | Call Number | Status | Item Actions |
|---|---|---|---|---|
| Joyner | Microforms B300 | C22.5-433 | ✔ Available |