All items tagged as "Magnetic Declination"
July 06, 2011
U.S. Geological Survey Quick Links USGS Maps WGNHS Topographic Maps Page Magnetic Declination The U.S. Geological Survey (USGS) produces 1:100,000-scale county maps for each of the 72 counties in Wisconsin. These maps show topographic features including...
June 13, 2011
Quick Links NGDC Calculator National Geomagnetism Program USGS Info Sheet Topographic Maps Magnetic Declination The angular difference between the geographic and the magnetic meridians at a...
Also tagged: Cartography
