First Battle of Manassas map in NOAA’s Civil War chart collection shows Confederate strategic advantage at Bull Run
"The 150th anniversary of the Civil War’s First Battle of Manassas, also known as the First Battle of Bull Run, offers an interesting peek into a significant advantage the Confederacy held over the Union Armies – better battlefield knowledge.

Maps and battlefield charts, highlighted this week as part of NOAA’s historic “Charting a More Perfect Union” map collection, played a significant role throughout the war. NOAA’s collection features two maps – one Confederate, one Union – of Manassas Junction, Va. and the surrounding area..."