They were the beneficiaries of the Three Prisons Act of 1891, which established penitentiaries in Leavenworth, Kansas; Atlanta, Georgia; and McNeil Island, Washington. The first two remain open today, the third closed in 1976.
The Three Prisons Act of 1891 created three prisons: Leavenworth, Kansas; Atlanta, Georgia; and McNeil Island, Washington.  These facilities have remained open for a long time, with Leavenworth and Atlanta still operating today, while McNeil Island closed in 1976.