Court House Centennial Display, Blueprint. Material: paper. Size: 3 1/2" W. x 4 7/8" L. Description: black and white photo print - pictured: Waseca County Courthouse blueprint on a display board decorated with crepe paper, bunting and U.S. flags; brick wall background; identified as the Waseca County Courthouse Centennial Celebration, one of the Waseca County Historical Society's displays.