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489. 真北と磁北が1000m先では何m離れるか? : それは何と 122.1m
489. How far is apart the distance between Magnetic-North and True-North 1000m ahead? : It becomes even 122m in Jhogasima!
1993
Annual Meeting of the Geological Society of Japan
489. How far is apart the distance between Magnetic-North and True-North 1000m ahead? : It becomes even 122m in Jhogasima!
Preserved Fulltext
How far ' i s apart the distance between Magnetic − North and True − North 1000m ahead ? − It becomes even 122m in Jhogasima 1 −
doi:10.14863/geosocabst.1993.0_724
fatcat:lrf5c7jgrzcpxfc7mdxq7r3dhy