Showing posts with label U.S. GEOLOGICAL SURVEY'S SATELLITE-DERIVED MAP. Show all posts
Showing posts with label U.S. GEOLOGICAL SURVEY'S SATELLITE-DERIVED MAP. Show all posts
Friday, December 28, 2012

CIVIL WAR CARTOGRAPHY

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A sketch map of the battlefield of Gettysburg, 1863, by Jedidiah Hotchkiss combined with U.S. Geological Survey’s satellite-derived map wi...