National Park Service

Secretary of the Interior Oscar Chapman (at podium) speaks during the dedication of the Department of the Interior War Memorial in the South Lobby of the Interior building. Also pictured: Mrs. J. Atwood Maulding, Director of Personnel (seated, second from left); and Administrative Assistant Secretary of the Interior Vernon Northrop (seated, right). Man at left is unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (at podium) gives a speech during the groundbreaking ceremonies for the Sesquicentennial Amphitheatre in Rock Creek Park, Washington, D.C. Also pictured: William J. Dougherty, Assistant Director of Information, Department of the Interior (third from right). All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (with shovel) is interviewed by an unidentified man at the Sesquicentennial Amphitheatre groundbreaking ceremony. All others unidentified. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (with shovel) breaks ground for the Sesquicentennial Amphitheatre (later known as the Carter Barron Amphitheatre) in Rock Creek Park, Washington, D.C. All others unidentified. From: Oscar Chapman Scrapbook

A group of unidentified people look over blueprints for the Sesquicentennial Amphitheatre prior to its completion. From: Oscar Chapman Scrapbook

Secretary of the Interior Oscar Chapman (with shovel) breaks ground for the Sesquicentennial Amphitheatre (later known as the Carter Barron Amphitheatre) in Rock Creek park, Washington, D.C. Also pictured: William J. Dougherty, Assistant Director of Information, Department of the Interior (right). All others unidentified. From: Oscar Chapman Scrapbook

A crowd listens to musical entertainment provided by a band and choir during the groundbreaking ceremonies for the Sesquicentennial Amphitheatre in Rock Creek Park, Washington, D.C. All people are unidentified. From: Oscar Chapman Scrapbook

President Harry S. Truman (left) and Prime Minister Winston Churchill in the Oval Office. From: Oscar Chapman Scrapbook

Princess Elizabeth (left) and President Harry S. Truman leave Washington National Airport for the Blair House. All others unidentified. From: Oscar Chapman Scrapbook

Prime Minister Winston Churchill seated in the back seat of an automobile during his visit to Washington, D.C. From: Oscar Chapman Scrapbook