Blueline. "State roads revised to January 1, 1949." "1937." "Data obtained from State-wide Highway Planning Survey." Includes location map and chart of "Culture in unincorporated places." Supplementary sheet includes maps of a portion of Calumet Township and the Cedar Lake area. "45, 45A (supplementary sheet)." Imprint: [Indianapolis?] : State Highway Commission of Indiana, 1949. Dimensions: 52 x 44 cm; Scale: 1:130,000 Coordinates: W0873200 W0871300 N0414200 N0411000