NYU Spatial Data Repository

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You searched for: Author National Geophysical Data Center Remove constraint Author: National Geophysical Data Center Subject Geomagnetism Remove constraint Subject: Geomagnetism Subject Geomagnetism--Secular variations Remove constraint Subject: Geomagnetism--Secular variations Place Alaska Remove constraint Place: Alaska Year 2010 Remove constraint Year: 2010 Bounding Box 50.273438 19.12441 59.589844 28.748397 Remove constraint Bounding Box: 50.273438 19.12441 59.589844 28.748397
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1. Magnetic Field - Secular Variation of the Declination Component for the Epoch 2010.0

2010. National Geophysical Data Center. This map layer shows isoporic lines (lines of equal annual change, or secular variation, in the declination of the Earth's magnetic field), derived... National Atlas of the United States.