[C]reated in the late 1860s and early 1870s by the U.S. Army Corps of Engineers...Worth a look.
It measures 12 by 13 feet, with each foot on the map measuring 1,200 feet on the ground, with a contour interval indicating every four feet of elevation change. It shows the buildings, the topography, the land cover, where the hardwood trees were, where the pines were, where the orchards were, whether fences were made of wood or stone...
Tuesday, July 02, 2013
Gettysburg - 150 years later
Modern technology presents: A Cutting-Edge Second Look at the Battle of Gettysburg (overview here). The map upon which it is based was