Lyndon Johnson actually said...
I do hereby proclaim that the Cumberland National Forest in the State of Kentucky, as defined by Proclamation 2227 of February 23, 1937 (50 Stat. 1818), is hereby designated and hereafter shall be known as the Daniel Boone National Forest.
Context
Proclamation 3715—Designating the Cumberland National Forest, KY as Daniel Boone National Forest
04/10/1966