 The Oklahoma Women's Treatment Facility first opened in 1974 at 3300 Martin Luther King Drive, and received the name "Mabel Bassett Correctional Center" in November, 1977.By 2002 the state maintained both the Mabel Bassett Correctional Center, with 337 female prisoners, and a separate facility called the Mabel Bassett Minimum Security Unit (MBMSU), with another 200.To consolidate this population, the state purchased the former Central Oklahoma Correctional Facility (COCF) in McLoud for just under $40 million.