1907. Melton, A. P. Drawn by A.P. Melton, City Engr., Gary, Jan. 07.' Shows the area from Chicago Harbor east to Michigan City, Indiana and south to Crown Point, India... A.F. Knotts.
1963. Relief shown by contours and spot heights. Depths by contours and soundings.; Contour interval 5 and 10 feet.; Red tint indicates areas in which on... U.S. Geological Survey.
1949. Blueline print. 'State roads revised to January 1, 1949.' 'Service discontinued on Indiana Service Corporation between Peru & Ft. Wayne September 1... State Highway Commission of Indiana.
1949. Blue line print. 'State roads revised January 1, 1949.' '1937.' 'Data obtained from Statewide Highway Planning Survey.' '3.' Includes location map.... The Commission.
1949. Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '5.' Includes location map, ch... State Highway Commission of Indiana.
1949. Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '8.' Includes location map and... State Highway Commission of Indiana.
1949. Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '9.' Includes location map and... State Highway Commission of Indiana.
1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o... State Highway Commission of Indiana.
1949. Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '12.' Includes location map an... State Highway Commission of Indiana.
1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; 14.; Includes location map, inset... State Highway Commission of Indiana.