Lyndon Johnson actually said...
Urbanized area means an area which is an urbanized area according to the most recent decennial census together with such additional adjacent areas as the Secretary and the Administrator jointly determine to be appropriate for the accomplishment of the purposes of Title VII and the Conservation Act in a manner consistent with comprehensive planning for orderly metropolitan development.
Context
Executive Order 11237—Prescribing Regulations for Coordinating Planning and the Acquisition of Land Under the Outdoor...
07/26/1965