The article appeared in the Washington Post, 9 November 2015,
History buried where a trendy riverfront hotel will soon stand (Patricia Sullivan).  There could be quite a few discoveries in the next few years as Alexandria completely redevelops its waterfront.

“Built by the federal government in 1941-1942 to house African American defense workers,” the site will be used for new, “affordable” housing.  See, Patricia Sullivan, In Alexandria, a choice of historic preservation or affordable housing. Washington Post, 12 September 2015