Kristy, Contact Fred Dahlinger at the Circus Museum in Baraboo WI,
tel. 608-356-8342 x3282, or contact the Winona Historical Society in
Winona MN.  Sorry, I don't have a number for them, but they do have a
steam calliope that they have taken to Mardi Gras the last two years.

Good luck,

Steve Grotenhuis
Science Museum of Minnesota
St. Paul, MN