Secretary Gale Norton on National Public Lands Day promotional visit to the Chesapeake and Ohio Canal National Historical Park, Maryland, joining volunteers working on renovating Lockhouse 8 for use as education center. Project is a partnership of National Park Service and the Potomac Conservancy

Chicago citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000. Secretary Gale Norton on National Public Lands Day promotional visit to the Chesapeake and Ohio Canal National Historical Park, Maryland, joining volunteers working on renovating Lockhouse 8 for use as education center. Project is a partnership of National Park Service and the Potomac Conservancy. 2004-09-17. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5623034. (Accessed December 17, 2018.)
APA citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000, (2004-09-17) Secretary Gale Norton on National Public Lands Day promotional visit to the Chesapeake and Ohio Canal National Historical Park, Maryland, joining volunteers working on renovating Lockhouse 8 for use as education center. Project is a partnership of National Park Service and the Potomac Conservancy. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5623034
MLA citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/5623034>.
Note: These citations are programmatically generated and may be incomplete.