---
kind: "section"
citation: "16 U.S.C. § 343c"
title: "16"
title_heading: "Conservation"
number: "343c"
heading: "Exchange of lands; Jackson Memorial Laboratory"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/16/343c"
units:
  - "Chapter 1 — National Parks, Military Parks, Monuments, and Seashores"
  - "Subchapter XXXVII — Acadia National Park"
---

# §343c. Exchange of lands; Jackson Memorial Laboratory


For the purpose of consolidating Federal holdings of land within Acadia National [Park](/usc/16/284j.md?p=2), the [Secretary](/usc/16/284j.md?p=1) of the Interior is authorized to accept, on behalf of the United States, approximately fifty-eight acres of non-[Federal land](/usc/16/3102.md?p=2) within the authorized [park](/usc/16/284j.md?p=2) boundaries, such land to be conveyed to the United States without cost by Mr. John D. Rockefeller, Junior. Upon acceptance of title thereto by the United States, such property shall be subject to all laws and regulations applicable to the [park](/usc/16/284j.md?p=2). In exchange for the conveyance to the United States of the aforesaid property, the [Secretary](/usc/16/284j.md?p=1) of the Interior is authorized to convey to Mr. John D. Rockefeller, Junior, or to such agency as he may designate, for purposes of the Jackson [Memorial](/usc/16/450ss–1.md?p=2) Laboratory, Bar Harbor, Maine, approximately five acres of federally owned land within the [park](/usc/16/284j.md?p=2) adjacent to the laboratory properties.


## Source credit

(Sept. 7, 1949, ch. 541, 63 Stat. 691.)
