General highway and transportation map, Marshall County, Indiana
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.' '50.' Scale 1:130,000. not '1 inch =1 mile.'; Polyconic projection Prepared by the State Highway Commission of Indiana in cooperation with the U.S. Department of Agriculture, Bureau Public Roads.