Lyndon Johnson: “It is possible to reclaim a river like the Potomac from the carelessness of man.”

This program, sponsored by the World Meteorological Organization, constitutes one of the largest and most complex scientific and technological undertakings ever attempted as an international effort.

In Witness Whereof, I have hereunto set my hand this twentieth day of January in the year of our Lord nineteen hundred and sixty-nine and of the Independence of the United States of America the one hundred and ninety-third.

Sometimes it is your job to go out and scout the road, to encounter and overcome the difficulties that always accompany such a vast new venture as this.

Now, Therefore, I, Lyndon B. Johnson, President of the United States of America, do proclaim that the following described land reserved by the Act of September 1, 1959, be designated as the Franklin Delano Roosevelt Memorial Park area of…