
1) American Civil War site 2) Plantation house in Virginia
Found on
https://www.crosswordclues.com/clue/colross

The Colross property originally occupied the entire 1100 block of Oronoco Street. The property was originally developed as a plantation by Alexandria merchant John Potts, who began construction of the mansion in 1799-1800. In 1803, the property was purchased by Jonathan Swift, also an Alexandria merchant and a city councilman. Swift continued the ...
Found on
http://en.wikipedia.org/wiki/Colross
No exact match found.