From the record
“Established in 1889 as the Minnesota State Reformatory for Men, it is a level four, close-security institution with an inmate population of about 1,000 men. Cloud serves as the intake facility for men committed to prison in Minnesota.”
Wikipedia article Minnesota Correctional Facility - St. Cloud, CC BY-SA 4.0.
One of 5 National Register listings published here for Sherburne County · listed in 1986 · category: District · built in 1889.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service