This primary source comes from the General Records of the Department of Labor.
Full Citation: Surveyor/Cartographer; 2002-2007; Surveyors, Cartographers; Stock Photos Depicting Various Occupations, 2002 - 2007; General Records of the Department of Labor, Record Group 174; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/surveyor-cartographer, May 9, 2024]