Records and results of magnetic survey of Pennsylvania and parts of adjacent States in 1840 and 1841, with someadditional records and results of 1834-35, 1843, and 1862, and map.
| Other author | Bache, A. D. (Alexander Dallas), 1806-1867. |
| Format | Microform |
| Publication Info | Washington, D.C. : [publisher not identified], 1863. |
| Description | vi, 82 pages : map ; cm. |
| Subjects |
| Series | Smithsonian Contributions to Knowledge, Vol. 13, Art. 8 |
| General note | Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions. |
| Citation/References note | CIS Index to U.S. Executive Branch Documents, 1789-1909 Part 6 |
| Reproduction note | Joyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1995. 11 x 15 cm. (CIS US Executive Branch Documents : no. SI106-13.8) |
| Govt. docs number | SI 1.6:v.13/[art.8] |