Shows electric transmission lines and electric interurban railway lines of the Central Indiana Power Company., Imprint: New York : Poor's Publishing Company, [1927], Scale: 1:1,250,000; Dimensions: 31 x 20 cm, Coordinates: W0880500 W0844700 N0414500 N0374600
Poor's Publishing Company (1927). Central Indiana Power Company Subsidiaries. Poor's Publishing Company. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00657 (map)