Franklin Roosevelt actually said...
all lands owned or controlled by the United States within the following-described area, comprising 320.00 acres, more or less, in Nelson County, North Dakota, be, and they are hereby, reserved and set apart, subject to valid rights, for the use of the Department of the Interior as a refuge and breeding ground for migratory birds and other wildlife
Context
Executive Order 8658—Establishing the Prairie Lake National Wildlife Refuge
02/02/1941