Includes text and illustrations., Imprint: Valparaiso, Ind.: State Bank of Valparaiso, [1906], Scale: 1:125,000; Dimensions: 44 x 20 cm, on sheet 47 x 40 cm, Coordinates: W0871322 W0865545 N0414540 N0411310
[Creator not found] (1906). Outline map of Porter County, Indiana.. State Bank of Valparaiso (Valparaiso, Ind.). https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00344 (map)