2002. 2003-02-04T20:04:50Z. 2015-01-20T23:23:37Z. North American Magnetic Anomaly Group. U.S. Dept. of the Interior, U.S. Geological Survey : For sale by USGS Information Services. English&French&Spanish. Public. North America, Hawaii, and Hawaii Island.
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2002. 2003-01-24T15:56:57Z. 2004-05-27T16:19:37Z. United States. Central Intelligence Agency. Central Intelligence Agency. English. Public. North America.
2002. 2008-07-10T19:18:02Z. 2021-08-24T17:45:58Z. National Geophysical Data Center. NOAA Satellite and Information Service, National Environmental Satellite, Data, and Information Service. English. Public. North America.
2002. 2003-08-15T16:01:57Z. 2011-03-25T23:09:12Z. Geological Survey (U.S.). The Survey ; For sale by the Survey. English. Public. United States and North America.