Title 16 › CHAPTER 1 — NATIONAL PARKS, MILITARY PARKS, MONUMENTS, AND SEASHORES › SUBCHAPTER LXI — NATIONAL AND INTERNATIONAL MONUMENTS AND MEMORIALS › § 450ff–1
The national historic site must not be larger than ninety acres in total. It becomes official after the Secretary of the Interior takes administrative control of enough land and a notice is published in the Federal Register. More land can be added by the surplus-property process or by donation, but the total must stay at or below ninety acres and each addition takes effect when it is published in the Federal Register.
Full Legal Text
Conservation, Source: USLM XML via OLRC
Legislative History
Reference
Citation
16 U.S.C. § 450ff–1
Title 16, Conservation
Last Updated
Aug 21, 2026
Release point: 119-102