| 000 | 00000nam 2200000za 4500 |
| 001 | 9.842129 |
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| 003 | CaOODSP |
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| 005 | 20221107152245 |
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| 007 | cr ||||||||||| |
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| 008 | 170821q1988 onc ||||o f|0| 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aM183-4/88-2E-PDF |
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| 100 | 1 |aNewitt, L.R. |
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| 245 | 10|aPier differences at Ottawa Magnetic Observatory |h[electronic resource] / |cL.R. Newitt. |
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| 260 | |a[Ottawa] : |bGeophysics Division, Geological Survey of Canada, |c[1988] |
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| 300 | |a9, [1] p. |
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| 490 | 1 |aInternal report ;|vno. 88-2 |
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| 500 | |aDigitized edition from print [produced by Natural Resources Canada]. |
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| 520 | |a"In late 1987, new marble piers were installed in Ottawa absolute Building No 4 to replace piers B, C, D, and E which were made of concrete. After the installation of the piers, the GSM-18 proton magnetometer was used to determine differences in total intensity between piers. ..."--p. 2. |
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| 692 | 07|2gccst|aGeophysics |
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| 710 | 1 |aCanada. |bEnergy, Mines and Resources Canada. |
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| 710 | 2 |aGeological Survey of Canada.|bGeophysics Division. |
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| 830 | #0|aInternal report (Geological Survey of Canada. Geophysics Division)|vno. 88-2|w(CaOODSP)9.842124 |
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| 856 | 40|qPDF|s1.33 MB|uhttps://publications.gc.ca/collections/collection_2017/rncan-nrcan/M183-4-88-2-eng.pdf |
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