1 map : col. ; 46 x 49 cmDepths shown by soundings.Shows super highways, secondary highways, proposed highways on unopened roads and city limits.Ford Motor Co. properties are highlighted.JPEGG 4114 .D4P2 1925 .D600356476239015091916034engPublicSuper highway and major thoroughfare plan for the City of Detroit and vicinityMapsMichigan--DetroitMichigan1925University of Michigan