Franklin Roosevelt actually said...

The Secretary of the Interior is authorized and directed to take possession of the mines, collieries, and preparation facilities designated ...

He shall provide such protection of the employees as may be necessary to maintain production.

Possession of the mines, collieries, and facilities taken under this order shall be terminated by the Secretary of the Interior within sixty...

All Federal agencies... are directed to cooperate with the Secretary of the Interior to the fullest extent possible in carrying out the purp...