Michigan. State Highway Department. (1935). General highway map, Houghton County, Michigan. [Michigan State Highway Department?].
Chicago Style (17th ed.) CitationMichigan. State Highway Department. General Highway Map, Houghton County, Michigan. [Lansing, Michigan?]: [Michigan State Highway Department?], 1935.
MLA (9th ed.) CitationMichigan. State Highway Department. General Highway Map, Houghton County, Michigan. [Michigan State Highway Department?], 1935.
Warning: These citations may not always be 100% accurate.