Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
All TitlesTitle 40Chapter IPart 81Subpart D - Subpart D—Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value
View all text of Subpart D [§ 81.400 - § 81.437]
§ 81.421 - New Mexico.
Area name Acreage Public Law establishing Federal land manager
Bandelier Wild23,26794-567USDI-NPS
Bosque del Apache Wild80,85093-632USDI-FWS
Carlsbad Caverns NP46,43571-216USDI-NPS
Gila Wild433,69088-577USDA-FS
Pecos Wild167,41688-577USDA-FS
Salt Creek Wild8,50091-504USDI-FWS
San Pedro Parks Wild41,13288-577USDA-FS
Wheeler Peak Wild6,02788-577USDA-FS
White Mountain Wild31,17188-577USDA-FS
authority: 42 U.S.C. 7401,
source: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 81.421
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