It was rumored that underground tunnels linked Clifford's brothel to the Minnesota Club for easy access by club members, but this was disproved by a 1997 excavation of the site for the new Science Museum of Minnesota, during which no tunnels were found. A portrait of a woman believed to be Clifford hung on the wall at the club, and though it may have resembled Clifford, it was actually a reproduction of a "Miss Pearce," previously attributed to Thomas Sully.
It was believed that secret underground passages connected Clifford's brothel to the Minnesota Club for club members' convenience, but these were debunked by a 1997 excavation of the site for the new Science Museum of Minnesota, during which no tunnels were discovered. A portrait of a woman thought to be Clifford hung on the wall at the club; although it might have resembled Clifford, it was actually a replica of "Miss Pearce," previously attributed to Thomas Sully.