Power House and Water Tower, Waseca. 5 1/2" x 3 1/2" hand-tinted postcard photograph of a building and water tower identified on the front as "Power House, Waseca, Minn." Postmark over one-cent stamp dated Feb. 13 at Waseca, Minn.; postcard published by the St. Paul Souvenir Co., (Hand Colored) St. Paul.