Chapman, Oscar L. (Oscar Littleton), 1896-1978

Secretary of the Interior Oscar Chapman (second from left) and son James Chapman (right) at the National School Safety Patrol Parade on Constitution Avenue in Washington, D.C. All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman speaks at a meeting in the Department of the Interior auditorium. All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (second row, center) with unidentified people for a meeting in his office. From: Oscar Chapman Scrapbook

Ohio Congressman Thomas A. Jenkins plants a buckeye tree during Ohio's Arbor Day celebration at Hains Point in East Potomac Park in Washington, D.C. Also pictured: Secretary of the Interior Oscar Chapman (third from left). All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (right) helps an unidentified young boy plant a buckeye tree during Ohio's Arbor Day celebration at Hains Point in East Potomac Park in Washington, D.C. Also pictured, Ohio Congressman Thomas A. Jenkins. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (at podium) speaks at a meeting in the Department of the Interior auditorium. All others unidentified. From: Oscar Chapman Scrapbook

From left to right: Secretary of the Interior Oscar Chapman; President Harry S. Truman; and Head of the Office of Defense Mobilization Charles E. Wilson, prior to President Truman's address to the Industry Advisory Council at the Department of the Interior. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (at podium) gives a speech during an Arbor Day celebration at Hains Point in the East Potomac Park, Washington, D.C. The trees are buckeye trees planted along Ohio Drive. All others are unidentified.

President Harry S. Truman addresses the Industry Advisory Council in the Department of the Interior auditorium. Also pictured: Secretary of the Interior Oscar Chapman (third from left). All others unidentified. From: Oscar Chapman Scrapbook

An unidentified man speaks at a meeting in the Department of the Interior auditorium. Pictured: Secretary of the Interior Oscar Chapman (seated, left of podium). All others unidentified. From: Oscar Chapman Scrapbook