You searched for: Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Magnetic fields Remove constraint Subject: Magnetic fields Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place New Jersey Remove constraint Place: New Jersey Place New Hampshire Remove constraint Place: New Hampshire Place Arkansas Remove constraint Place: Arkansas Data type Line Remove constraint Data type: Line Year 2010 Remove constraint Year: 2010
1. Magnetic Field - Secular Variation of the Vertical Component of the Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation) in the vertical component of the total field intensity of the Earth's ma... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal vertical intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference Fie... National Atlas of the United States.