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

Members of the National Petroleum Council meet in the Department of the Interior conference room. Pictured: Senator Joseph O'Mahoney (left) National Security Resources Board Chairman Stuart Symington (standing), and Secretary of the Interior Oscar Chapman (right). All others unidentified. From: Oscar Chapman Scrapbook.

Secretary of the Interior Oscar Chapman (standing) and unidentified men meet in the Department of the Interior conference room for a meeting of the National Petroleum Council. From: Oscar Chapman Scrapbook.

President Harry S. Truman (second from right) shakes hands with Secretary of Defense Louis Johnson after returning to Washington, D.C. from Key West, Florida. From left to right: Johnson; Secretary of the Interior Oscar Chapman; Fleet Admiral William Leahy; Truman; and Secretary of State Dean Acheson. Secretary of the Treasury John Snyder (behind Chapman) is also pictured. All others unidentified. From: Oscar Chapman Scrapbook.

Secretary of the Interior Oscar Chapman (left) receives a commemorative gift from Ohio Governor Frank Lausche (center) at the Ohio Drive dedication during the National Capital Sesquicentennial in Washington, D. C. All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (fourth from left) and unidentified men at the head table during the Nebraska Reclamation Association dinner meeting at the Yancy Hotel in Grand Island, Nebraska. From: Oscar Chapman Scrapbook.

Secretary of the Interior Oscar Chapman (right) meets with unidentified people during the Nebraska Reclamation Association dinner meeting at the Yancy Hotel in Grand Island, Nebraska. From: Oscar Chapman Scrapbook.

Secretary of the Interior Oscar Chapman (seated, center left) with unidentified people at the Nebraska Reclamation Association dinner meeting at the Yancy Hotel in Grand Island, Nebraska. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (left) shakes hands with Edward J. Kelly after Kelly was sworn in as National Capital Parks Superintendent. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (at podium) gives a speech during the Nebraska Reclamation Association dinner meeting at the Yancy Hotel in Grand Island, Nebraska. From: Oscar Chapman Scrapbook

A ribbon cutting ceremony at the Ohio Drive dedication during National Capital Sesquicentennial events in Washington, D. C. Pictured: Ohio Governor Frank Lausche (behind woman in hat); Secretary of the Interior Oscar Chapman (behind podium); and entertainer Jerry Colonna (far right). All others unidentified. From: Oscar Chapman Scrapbook