| LDR | 00650nas a22001575 4500 | ||
| 001 | 010010564 | ||
| 003 | MiAaHDL | ||
| 005 | 20110613000000.0 | ||
| 006 | m d | ||
| 007 | cr bn ---auaua | ||
| 008 | 840209 eng d | ||
| 035 | ⊔ | ⊔ | ‡asdr-nrlf.b16321444x |
| 035 | ⊔ | ⊔ | ‡aGLADN121317 |
| 090 | ⊔ | ⊔ | ‡aQC830 ‡b.T8U58 |
| 110 | ⊔ | ⊔ | ‡aU.S. Coast and Geodetic Survey. ‡bMagnetic Observatory (Tucson, Ariz.) |
| 245 | ⊔ | ⊔ | ‡aMagnetograms, Tucson, Arizona. 1946-1949 |
| 260 | ⊔ | ⊔ | ‡aWashington |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| CID | ⊔ | ⊔ | ‡a010010564 |
| DAT | 0 | ⊔ | ‡a19100210000000.0 ‡b20110613000000.0 |
| DAT | 1 | ⊔ | ‡a20120815153927.0 ‡b2022-12-25T19:07:24Z |
| CAT | ⊔ | ⊔ | ‡aSDR-NRLF ‡dIII - MILLENIUM ‡lloader.pl-001-001 |
| FMT | ⊔ | ⊔ | ‡aSE |
| HOL | ⊔ | ⊔ | ‡0sdr-nrlf.b16321444x ‡auc1 ‡bSDR ‡cNRLF ‡puc1.$b612012 ‡sUC ‡z1946-49 ‡1.b16321444x |
| 974 | ⊔ | ⊔ | ‡bUC ‡cNRLF ‡d20221225 ‡sgoogle ‡uuc1.$b612012 ‡z1946-49 ‡y1949 ‡ric ‡qbib ‡tnon-US serial item date >= 1929 |