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]
§ 81.403 - Arizona.
Area name Acreage Public Law establishing Federal land manager
Chiricahua National Monument Wild9,44094-567USDI-NPS
Chiricahua Wild18,00088-577USDA-FS
Galiuro Wild52,71788-577USDA-FS
Grand Canyon NP1,176,91365-277USDI-NPS
Mazatzal Wild205,13788-577USDA-FS
Mount Baldy Wild6,97591-504USDA-FS
Petrified Forest NP93,49385-358USDI-NPS
Pine Mountain Wild20,06192-230USDA-FS
Saguaro Wild71,40094-567USDI-FS
Sierra Ancha Wild20,85088-577USDA-FS
Superstition Wild124,11788-577USDA-FS
Sycamore Canyon Wild47,75792-241USDA-FS
authority: 42 U.S.C. 7401,
source: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 81.403
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