usage of the R.S. 2477 right-of-way before October 21, 1976. (C) A title opinion prepared by a duly licensed title examiner prepared in accordance with generally accepted title standards, establishing the title, location, and dimensions of the R.S. 2477 right-of-way. (d) Scope The scope of a R.S. 2477 right-of-way shall be the scope of the R.S. 2477 right-of-way as of the date of enactment of this Act. (e) Determination of abandonment (1) In general Not later than 90 days after the date on which a R.S. 2477 right-of-way is conclusively established as accepted under subsection (b)(1), the Secretary shall determine, in writing, whether the R.S. 2477 right-of-way has been previously abandoned by the claimant. (2) Failure to make determination The failure of the Secretary to make a written determination within the 90-day period described in paragraph (1) shall conclusively establish that the right-of-way has not been abandoned. (3) Final agency action The determination by the Secretary under paragraph (1), or the failure to make the determination by the date described in that paragraph, shall be a final agency action, subject to appeal, in accordance with section 6. (f) Disclaimer and relinquishment required (1) In general Subject to subsection (e), not later than 120 days after the date on which evidence to establish acceptance of a R.S. 2477 right-of-way has been filed under this section, the Secretary shall deliver to the claimant a written document disclaiming and relinquishing the right and interest of the United States in and to the R.S. 2477 right-of-way. (2) Form The disclaimer and relinquishment under paragraph (1) shall be in a form that allows the recording of the disclaimer and relinquishment in State and local real estate records. (3) Recording The disclaimer and relinquishment under paragraph (1) shall— (A) be recorded in the public land records under the jurisdiction of the Secretary