Pier differences at Ottawa Magnetic Observatory: M183-4/88-2E-PDF
"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.
|Department/Agency||Energy, Mines and Resources Canada. Geophysics Division.|
|Title||Pier differences at Ottawa Magnetic Observatory|
|Series Title||Internal report ;|
|Publication Type||Series - View Master Record|
|Electronic Document|| |
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|Note||Digitized edition from print [produced by Natural Resources Canada].|
|Number of Pages||9,  p.|
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