43 CFR § 8223.0-5 - Definitions.

---
identifier: "/us/cfr/t43/s8223.0-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 8223.0-5 - Definitions."
title_number: 43
title_name: "Public Lands: Interior"
section_number: "8223.0-5"
section_name: "Definitions."
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "H"
subchapter_name: "RECREATION PROGRAMS"
part_number: "8200"
part_name: "PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1181 (a) and (e), 43 U.S.C. 1201, 43 U.S.C. 1701"
regulatory_source: "43 FR 40735, Sept. 12, 1978, unless otherwise noted."
cfr_part: "8200"
---


# 8223.0-5 Definitions.

(a) *Research natural area* means an area that is established and maintained for the primary purpose of research and education because the land has one or more of the following characteristics:

(1) A typical representation of a common plant or animal association;

(2) An unusual plant or animal association;

(3) A threatened or endangered plant or animal species;

(4) A typical representation of common geologic, soil, or water features; or

(5) Outstanding or unusual geologic, soil, or water features.

(b) [Reserved]