Postcard with a colorized image of Minnesota State Prison, Stillwater, ca. 1912.

Inmates in the prison yard at Minnesota State Prison, Stillwater, 1909. Photo by John Runk, Jr.

View of Minnesota State Prison, Stillwater, 1909. Photo by John Runk Jr.

Women inmates at Minnesota State Prison, Stillwater, 1909.

Cell block and guards at Minnesota State Prison, Stillwater, 1908. Photo by John Runk Jr.

Recreation hour in the prison yard at Minnesota State Prison, Stillwater, ca. 1905.

Minnesota State Prison, Stillwater, ca. 1900.

Minnesota State Prison, Stillwater, ca. 1900.

Measuring a prisoner's head (possibly at Minnesota State Prison, Stillwater), ca. 1900.

Minnesota State Prison, Stillwater, 1886.