ORS 272.010: Power of United States to acquire title for public improvements by eminent domain.

Whenever it is necessary for the United States to acquire title to real property belonging to an individual or corporation, for the purpose of constructing a public improvement authorized by Act of Congress, and such property cannot be purchased from the owner for that purpose, an authorized agent of the United States may enter upon, examine and select a quantity of land sufficient for public improvements, and proceed in the mode prescribed in ORS chapter 35 to have such property appropriated and the compensation therefor determined and paid.