- National Park Service (Washington, DC)
- …the behavioral or social sciences equivalent to a major in the field. For GS-0170- Historian : Have a degree in history or related field that included at least 18 ... semester hours in history. OR Have a combination of education and experience equivalent to a major in history, or a major in a related field that included at least 18 semester hours in history, as shown in 1 above, plus appropriate experience or additional… more