(1)
Frank McWorter, an enslaved man, bought his freedom and the freedom of 15 family members by mining for crude niter in Kentucky caves and processing the mined material into saltpeter;
(2)
New Philadelphia, founded in 1836 by Frank McWorter, was the first town planned and legally registered by a free African-American before the Civil War;
(3)
the first railroad constructed in the area of New Philadelphia bypassed New Philadelphia, which led to the decline of New Philadelphia; and
(4)
the New Philadelphia site—
(A)
is a registered National Historic Landmark;
(B)
is covered by farmland; and
(C)
does not contain any original buildings of the town or the McWorter farm and home that are visible above ground.