Harrisburg's role as a hub in the Underground Railroad (UGRR) was pivotal and successful for several reasons, one of which was because of the number of free blacks that could assist runaways and the many routes through the area.
Harrisburg's role as a hub in the Underground Railroad (UGRR) was pivotal and successful for several reasons, one of which was because of the number of free blacks that could assist runaways and the many routes through the area. (en)
Harrisburg's role as a hub in the Underground Railroad (UGRR) was pivotal and successful for several reasons, one of which was because of the number of free blacks that could assist runaways and the many routes through the area. (en)