Search Constraints
You searched for:
Publisher
National Atlas of the United States
Remove constraint Publisher: National Atlas of the United States
Access
Public
Remove constraint Access: Public
Subject
Magnetic declination
Remove constraint Subject: Magnetic declination
Place
Arkansas
Remove constraint Place: Arkansas
Place
Canada
Remove constraint Place: Canada
Place
United States
Remove constraint Place: United States
1 - 2 of 2
Search Results
1. Magnetic Field - Declination Component for the Epoch 2010.0
2010. National Geophysical Data Center. This map layer shows isogonic lines (lines of constant declination of the Earth's magnetic field), derived from the International Geomagnetic Refer... National Atlas of the United States.
2. 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.