The page on the permanent and temporary Columbus School buildings can be found here. The permanent building was located at Winter & "O" Sts NE. The temporary building was used for a few years after the permanent building was abandoned; this temporary structure was located at 26th & Talmadge Aves SE. The Columbus School page also includes a fire protection engineering report about the portable building from 1931. See also this Minneapolis Tribune article about the razing of the Columbus School building in 1936.