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- catalog contributor b4103045.
- catalog contributor b4103046.
- catalog created "[1992?]".
- catalog date "1992".
- catalog date "[1992?]".
- catalog dateCopyrighted "[1992?]".
- catalog extent "1 map ;".
- catalog issued "1992".
- catalog issued "[1992?]".
- catalog language "eng".
- catalog publisher "Boulder, Colo. : National Geophysical Data Center,".
- catalog spatial "Scale not given ; Van der Grinten proj. (W 180⁰--E 180⁰/N 85⁰--S 85⁰).".
- catalog spatial "a W1800000 E1800000 N0850000 S0850000".
- catalog subject "Geomagnetic observatories Maps.".
- catalog subject "World maps.".
- catalog title "Geomagnetic observatories in operation, 1990 / prepared by World Data Center-A for Solid Earth Geophysics.".
- catalog type "image".