NYU Spatial Data Repository

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You searched for: Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Geomagnetism--Secular variations Remove constraint Subject: Geomagnetism--Secular variations Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Place Alaska Remove constraint Place: Alaska Format Shapefile Remove constraint Format: Shapefile 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.