In 1851, Oregon established its first state-run institution. Oregon State Penitentiary (OSP) was established in 1851 in Portland, Oregon. However, in 1864 funds were allocated to purchase as its in Salem for OSP and an insane asylum. In 1866 OSP was relocated to Salem and encompassed by a concrete wall. OSP is Oregon's only maximum security prison. The capacity of the penitentiary is 1700 inmates. From 1866-2007 the Oregon Department of Corrections opened 13 more correctional institutions. For over a century Oregon sustained with one prison, with the addition of the second prison in 1929 (Mill Creek Correctional Facility) after the state allowed for the entrance of Blacks person in 1926.