Waseca City Plat: 1873. Trowbridge Addition. Material: textile. Size: 14 1/2" W. x 27" L. Description: white linen manuscript plat map - black and red printed information shows streets, blocks and lots - distances marked in red - declarations and certifications signed by Ira and Judith Trowbridge, H.A. Mosher, Peter McGovern, Wm. W. Redfield. Scale 50' to 1".