Hi,

May be of interest : 

Summer Starts with a Simmering Geomagnetic Storm
http://www.usgs.gov/blogs/features/usgs_top_story/summer-starts-with-a-simmering-geomagnetic-storm/?from=title

The handout I disseminate for reference inquiries, outreach, and during bibliographic instruction sessions : 

Monitoring the Earth’s Dynamic Magnetic Field
http://pubs.usgs.gov/fs/2007/3092/

Enjoy the day,
Emily


Emily C. Wild
Librarian (Physical Scientist)
U.S. Geological Survey, Denver Library
Denver Federal Center
ph: (303) 236-1003
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USGS Libraries: http://library.usgs.gov

Tutorials: http://tinyurl.com/lh3tmua