### List of 156 Mandatory Class IFederal Areas 

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# IUS EPA Page 1of 8

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## Visibility

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### Home Air& Radiation Visibility LIS: of 156 Mandatory Class 1 Federal Areas 

# List of 156 

# Mandatory Class I

# Federal Areas
Code of Fed,eralRegulations Reference (40 

## CFR PART 81) FEDERAL AREA NAME ACREAGE LAND PUBLIC MANAGER LAW 81.401 Alabama. Sipsey Wilderness Area 12,646 USDA-FS 93-622 81.402 Alaska. Bering Sea Wilderness Area 41,113 USDI-FWS 91-622 Denali NP (formerly Mt. McKinley NP) 1,949,493 USDI-FWS 64-353 Sirneonof Wilderness Area 25,141 USDI-FWS 94-557 Tuxedni Wilderneqs Area 6,402 USDI-FWS 91-504 81.403 Arizona, Chiricahua Nationpl Monument 9,440 USDI-NPS 94-567 Wilderness Area. Chiricahua Wilderness Area 18,000 USDA-FS 88-577 Galiuro Wildernesr; Area 52,717 USDA-FS 88-577 Grand Canyon NP Mazatzal Wilderness Area Mount Baldy Wilderness Area Petrified Forest NF' Pine Mountain Wilderness Area Saguaro Wilderness Area Sierra Ancha Wilderness Area Superstition Wilderness Area USDI-NPS USDA-FS
USDA-FS USDI-NPS USDA-FS USDI-FS
USDA-FS USDA-FS Sycamore Canyori 47,757 USDA-FS 92-241



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Wilderness Area 

### 81.404 

### Arkansas. Caney Creek Wilderness Area Upper Buffalo Wilderness Area 

### 81.405 

### California. Agua Tibia Wilderness Area USDA-FS USDA-FS

USDA-FS USDA-FS USDA-FS
USDA-FS Caribou Wilderness Area Cucamonga Wilderness Area Desolation Wilderness Area Dome Land Wilderness Area USDA-FS Emigrant Wilderness Area USDA-FS Hoover Wilderness Area John Muir Wilderness Area Joshua Tree Wilderness Area Kaiser Wilderness Area Kings Canyon NP Lassen Volcanic NP USDY-FS USDA-FS USDI-NPS USDA-FS USDI-NPS USDI-NPS USDI-NPS Lava Beds Wilderness Area Marble Mountain Wilderness Area USDA-FS Minarets Wilderness Area USDA-FS Mokelumme Wilderness Area Pinnacles Wilderness Area USDA-FS
USDI-NPS Point Reyes Wilderness Area Redwood NP San Gabriel Wilderness Area San Gorgonio Wilderness Area San Jacinto Wilderness Area San Rafael Wilderness Area Sequoia NP USDI-NPS USDI-NPS USDA-FS USDA-FS USDA-FS USDA-FS USDI-IVS South Warner



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Wilderness Area USDA-FS USDA-FS Thousand Lakes Wilderness Area. Ventana Wilderness Area USDA-FSYolla-Bolly-MiddleEel Wilderness Arqa Yosemite NP 81.406 

### color ad^. Black Canyon of the Gunnison Wilderness Area. Eagles Nest Wilderness Area Flat Tops Wilderness Area. Great Sand Dune:; Wilderness Area La Garita Wilderness Area. USDA-FS USDI-NPS

USDI-NPS

USDA-FS USDA-FS
USDI-NPS
USDA-FS Maroon BellsSnowmass Wilderness Area Mesa Verde hlP Mount Zirkel Wilderness Area Rawah 

### Wilderness Area Rocky Mountain NP USDA-FS USDI-NPS USDA-FS USDA-FS USDI-NPS USDA-FS Weminuche Wilderness Area. West Elk Wilderness Area 81.407 

### Florida. Chassahowitzka Wilderness Area. Everglades NP St. Marks Wilderness Area. USDA-FS

USDI-FWS USDI-NPS USDI-FWS 81.408 

### Georgia, Cohotta Wilderness Area 

### 0kefenokee Wilderness Area Wolf Island Wilderness Area USDA-FS
USDI-FWS USDI-FWS 81.409 

### Hawaii. Haleakala IVP USDI-NPS USDI-NPS Hawaii Volcanoes NP 81.41 

### Idaho.



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Craters of the Moon Wilderness 43,243 SDI-NPS 91-504 Area Hells Canyon Wilderness Area 83,800 USDA-FS 94-199 (1) Sawtooth Wilderness Area USDA-FS Selway-Bitterroot Wilderness Area 988,770 USDA-FS 88-577 (2) Yellowstone NP(3) 31,488 USDI-IVPS ((4)) (1)Hells Canyon Wilderness, 192,700 acres overall, of which 10t3,900 acres are in Oregon and 83,800 acres are in Idaho. (2)Selway Bitterroot Wilderness, 1,240,700 acres overall, of whkh 988,700 acres are in Idaho and 251,930 acres are in Montana. (3)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acre9 are in Idaho {4)17 Stat. 32 (42nd Cong.). 

### 81.411 Kentucky. Mammoth Cave NP 51,303 

### 81.412 Louisiana. Breton Wilderness Area 

### 81.413 Maine. Acadia National Park Moosehorn Wilderness Area. 7,501 (Edmunds Unit) USDI-NPS 69-283

USDI-FWS 93-632

USDI-NPS 65-278 USDI-FWS

(Baring Unit). (4,719) 93-632 

### 81.414 Michigan. Isle Royale NP. 542,428 USDI-hIPS 71-835 Seney Wilderness Area USDI-FWS 

### 81.415 Minnesota. Boundary Waters Canoe Area 747,840 USDA-FS 99-577 Wilderness Area Voyageurs NP 114,964 USDI-NPS 99-261 

### 81.416 Missouri. Hercules-Glades Wilderness Area Mingo Wilderness Area 

### 81.417 Montana. Anaconda-Pintlar Wilderness Area USDA-FS USDI-FWS

USDA-FS



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Bob Marshall Wilderness Area USDA-FS Cabinet Mountains Wilderness Area USDA-FS Gates of the Mtn Wilderness Area USDA-FS Glacier NP 1,012,599 USDI-NPS 61-171 Medicine Lake Wilderness Area 11,366 USDI-FWS 94-557 Mission Mountain Wilderness Area 73,877 USDA-FS 93-632 Red Rock Lakes Wilderness Area. USDI-FWS Scapegoat Wilderness Area. USDA-FS Selway-Bitterroot Wilderness Area 251,930 USDA-FS 88-577 (1) U. L. Bend Wilderness Area USDI-FWS Yellowstone NP(2;) 167,624 USDI-NPS ((3)) (1)SeIway-Bitterroot Wilderness, 1,240,700 acres overall, of which 988,770 acres are in Idaho and 251,930 acres are in Montana. (2)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 1.67,624 acres are in Montana, and 31,488 acres are in Idaho. (3117 Stat. 32 (42nd Cong.) [44 FR 69124, NQV.30, 1979; 45 FR 6103, Jan. 25, 19801 

### 81.418 Nevada. Jarbidge Wilderness Area USDA-FS 

### 81.419 New Hayflpshire. Great Gulf Wilderness Area USDA-FS Presidential RangeDry River 20,000 USDA-FS 93-622 Wilderness Area. 

### 81.42 New Jers(!y. Brigantine Wilderness Area 6,603 USDI-FWS 93-632 

### 81.421 New Mexico. Bandelier Wilderness Area. USDI-NPS Bosque del Apachr? Wilderness Area 80,850 USDI-FWS 93-632 Carlsbad Caverns NP. 46,435 USDI-NPS 71-216 Gila Wilderness Area. 433,690 USDA-FS 88-577 Pecos Wilderness Area 167,416 USDA-FS 88-577



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Salt Creek Wilderness Area San Pedro Parks Wilderness Area Wheeler Peak Wilderness Area 8,500 USDI-FWS 91-504 41,132 USDA-FS 88-577

6,027 USDA-FS 88-577 White Mountain Wilderness Area. USDA-FS 81.422 North Carolina. Great Smoky Mountains NP(1) USDI-NPS Joyce KilmerSlickrock Wilderness Area 10,201 USDA-FS 93-622

Linville Gorge Wilderness Area. USDA-FS Shining Rock Wilderness Area. USDA-FS Swanquarter Wilderness Area 9,000 USDI-FWS 94-557 (1)Great Smoky Mountains National Park, 514,758 acres overall, of which 273,551 acres are in North Carolina, and 241,207 acres are inTtknnessee. (2)Joyce Kilmer-Slickrock Wilderness, 14,033 acres overall, of Which 10,201 acres are in North Carolina, and 3,832 acres are inTennessee. 81.423 North Dakota. Lostwood Wilderness 5,557 USDI-FWS 93-632 Theodore Roosevelt NP 69,675 USDI-NPS 80-38 81.424 Oklahoma. Wichita Mountains Wilderness USDI-FWS 81.425 Oregon. Crater Lake NP Diamond Peak Wilderness. Eagle Cap Wilderness USDA-NPS USDA-FS USDA-FS
USDA-FS USDA-FS Gearhart Mountain Wilderness Hells Canyon Wilderness(1) Kalmiopsis Wilderness. Mountain Lakes Wilderness Mount Hood Wilderness. Mount Jefferson Wilderness USDA-FS USDA-FS USDA-FSUSDAFS



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Mount Washingtor) Wilderness. Strawberry Mountain Wilderness Three Sisters Wilderness USDA-FS
33,003 USDAFS USDA-FS (1)Hells Canyon ~ilderness, 192,700 acres overall, of which 108,900 acres are in Oregon, and 83,890 acres are in Idaho. 81.426 South Cprolina. Cape Romain Wilderness
Badlands Wilderness 28,000 USDI-FWS 93-632

64,250 USDI-NPS 94-567 Wind Cave NP 28,060 USDI-NPS 57-16 81.428 Tennessee. Great Smoky Mountains NP(1). USDI-NPS Joyce KilmerSlickrock 3,832 USDA-FS 93-622 Wilderness(2) (1)Great Smoky IYountains National Park, 514,758 acres overall, of which 273,551 acres are in North Carolina, and 241,207 acres are inTennessee. (2)Joyce Kilmer !$lickrockWilderness, 14,033 acres overall, of which 10,201 acres are in North Carolina, and 3,832 acres are in Tennessee. [44 FR 69124, Nav. 30, 1979; 45 FR 6103, Jan. 25, 19801 81.429 Texas. Big Bend NP. 708,118 USDI-NPS 74-157 Guadalupe Mountains NP 76,292 USDI-NPS 89-667 81.43 Utah. Arches NP. 65,098 USDI-NPS 92-155 Bryce Canyon NP, 35,832 USDI-NPS 68-277 Canyonlands NP 337,570 USDI-NPS 88-590 Capitol Reef NP. 221,896 USDI-NPS 92-507 Zion NP 142,462 USDI-NPS 68-83 81.431 Vermont. Lye Brook Wilderness 12,430 USDA-FS 93-622 81.432 Virgin Islands. Virgin Islands NP, 12,295 USDI-NPS 84-925 81.433 Virginia, James River Face Wilderness. 8,703 USDA-FS 93-622 Shenandoah NP 190,535 USDI-NPS 69-268 81.434 Washington. Alpine Lakes Wilderness. USDA-FS Glacier Peak



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Wilderness. 464,258 USDA-FS 88-577 Goat Rocks Wilderness. Mount Adams Wilderness 82,680 USDA-FS 88-577 32,356 USDA-FS 88-577 Mount Rainer NP. 235,239 USDI-NPS ((1)) North Cascades NP. 503,277 USDI-NPS 90-554 Olympic NP 892,578 USDI-NPS 75-778 Pasayten Wilderness {1)30 Stat. 993 (55th Cong.). 81.435 

### West Virginia. Dolly Sods Wilderness. Otter Creek Wilderness 505,524 USDA-FS 90-544

10,215 USDA-FS 93-622 20,000 USDA-FS 93-622 81.436 

### Wyoming. Bridger Wilderness 392,160 USDA-FS 88-577 Fitzpatrick Wilderness 191,103 USDA-FS 94-567 Grand Teton NP 305,504 USDI-NPS 81-787 North Absaroka Wilderness Teton Wilderness Washakie Wilderness USDA-FS 557,311 USDA- 88- FS 577 686,584 USDA-FS 92-476 Yellowstone NP(1). 2,020,625 USDI-NPS ((2)) (1)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are inWyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho. {2)17 Stat. 32 (42nd Cong.). 81.437 

### New Brunswick, Canada. Roosevelt Campobello 2,721 ((1)) 88-363 International Park (1) Chairman, RCIP Commission. *All references are to Part 51of the Code of Federal Regulations Abbreviations: USDI-NPS: U.S. Department of Interior, National Park Service USDA-FS: U.S. Department of Agriculture, U.S. Forest Service USDI-FWS: U.S. Department of Interior, Fish and Wildlife Servick



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