Class I Area Representative IMPROVE Sites

Class I Area	State	Manager	Representative IMPROVE Site
Denali National Park and Preserve	Alaska	National Park Service	Denali NP (DENA1)
Simeonof National Wildlife Refuge Wilderness	Alaska	U.S. Fish and Wildlife Service	Simeonof (SIME1)
Chiricahua National Monument	Arizona	National Park Service	Chiricahua NM (CHIR1)
Chiricahua Wilderness Area	Arizona	USDA Forest Service	Chiricahua NM (CHIR1)
Galiuro Wilderness Area	Arizona	USDA Forest Service	Chiricahua NM (CHIR1)
Grand Canyon National Park	Arizona	National Park Service	Hance Camp at Grand Canyon NP (GRCA2)
Mazatzal Wilderness Area	Arizona	USDA Forest Service	Ike's Backbone (IKBA1)
Mount Baldy Wilderness Area	Arizona	USDA Forest Service	Mount Baldy (BALD1)
Petrified Forest National Park	Arizona	National Park Service	Petrified Forest NP (PEFO1)
Pine Mountain Wilderness Area	Arizona	USDA Forest Service	Ike's Backbone (IKBA1)
Saguaro National Monument	Arizona	National Park Service	Saguaro NM (SAGU1)
Sierra Ancha Wilderness Area	Arizona	USDA Forest Service	Sierra Ancha (SIAN1)
Superstition Wilderness Area	Arizona	USDA Forest Service	Tonto NM (TONT1)
Sycamore Canyon Wilderness Area	Arizona	USDA Forest Service	Sycamore Canyon (RHTS) (SYCA_RHTS)
Agua Tibia Wilderness Area	California	USDA Forest Service	Agua Tibia (AGTI1)
Ansel Adams Wilderness Area	California	USDA Forest Service	Kaiser (KAIS1)
Caribou Wilderness Area	California	USDA Forest Service	Lassen Volcanic NP (LAVO1)
Cucamonga Wilderness Area	California	USDA Forest Service	San Gabriel (SAGA1)
Desolation Wilderness Area	California	USDA Forest Service	Bliss SP (TRPA) (BLIS1)
Dome Land Wilderness Area	California	USDA Forest Service	Dome Lands Wilderness (DOME1)
Emigrant Wilderness Area	California	USDA Forest Service	Yosemite NP (YOSE1)
Hoover Wilderness Area	California	USDA Forest Service	Hoover (HOOV1)
John Muir Wilderness Area	California	USDA Forest Service	Kaiser (KAIS1)
Joshua Tree National Park	California	National Park Service	Joshua Tree NP (JOSH1)
Kaiser Wilderness Area	California	USDA Forest Service	Kaiser (KAIS1)
Kings Canyon National Park	California	National Park Service	Sequoia NP (SEQU1)
Lassen Volcanic National Park	California	National Park Service	Lassen Volcanic NP (LAVO1)
Lava Beds National Monument	California	National Park Service	Lava Beds NM (LABE1)
Marble Mountain Wilderness Area	California	USDA Forest Service	Trinity (TRIN1)
Mokelumne Wilderness Area	California	USDA Forest Service	Bliss SP (TRPA) (BLIS1)
Pinnacles National Monument	California	National Park Service	Pinnacles NM (PINN1)
Point Reyes National Seashore	California	National Park Service	Point Reyes National Seashore (PORE1)
Redwood National Park	California	National Park Service	Redwood NP (REDW1)
San Gabriel Wilderness Area	California	USDA Forest Service	San Gabriel (SAGA1)
San Gorgonio Wilderness Area	California	USDA Forest Service	San Gorgonio Wilderness (SAGO1)
San Jacinto Wilderness Area	California	USDA Forest Service	San Gorgonio Wilderness (SAGO1)
San Rafael Wilderness Area	California	USDA Forest Service	San Rafael (RAFA1)
Sequoia National Park	California	National Park Service	Sequoia NP (SEQU1)
South Warner Wilderness Area	California	USDA Forest Service	Lava Beds NM (LABE1)
Thousand Lakes Wilderness Area	California	USDA Forest Service	Lassen Volcanic NP (LAVO1)
Ventana Wilderness Area	California	USDA Forest Service	Pinnacles NM (PINN1)
Yolla Bolly-Middle Eel Wilderness Area	California	USDA Forest Service	Trinity (TRIN1)
Yosemite National Park	California	National Park Service	Yosemite NP (YOSE1)
Black Canyon of the Gunnison National Park	Colorado	National Park Service	Weminuche Wilderness (WEMI1)
Eagles Nest Wilderness Area	Colorado	USDA Forest Service	White River NF (WHRI1)
Flat Tops Wilderness Area	Colorado	USDA Forest Service	White River NF (WHRI1)
Great Sand Dunes National Monument	Colorado	National Park Service	Great Sand Dunes NM (GRSA1)
La Garita Wilderness Area	Colorado	USDA Forest Service	Weminuche Wilderness (WEMI1)
Maroon Bells-Snowmass Wilderness Area	Colorado	USDA Forest Service	White River NF (WHRI1)
Mesa Verde National Park	Colorado	National Park Service	Mesa Verde NP (MEVE1)
Mount Zirkel Wilderness Area	Colorado	USDA Forest Service	Mount Zirkel Wilderness (MOZI1)
Rawah Wilderness Area	Colorado	USDA Forest Service	Mount Zirkel Wilderness (MOZI1)
Rocky Mountain National Park	Colorado	National Park Service	Rocky Mountain NP (ROMO1)
Weminuche Wilderness Area	Colorado	USDA Forest Service	Weminuche Wilderness (WEMI1)
West Elk Wilderness Area	Colorado	USDA Forest Service	White River NF (WHRI1)
Haleakala National Park	Hawaii	National Park Service	Haleakala NP (HALE1)
Haleakala National Park	Hawaii	National Park Service	Haleakala NP (RHTS) (HALE1_RHTS)
Haleakala National Park	Hawaii	National Park Service	Haleakala NP (RHTS w/Volcanic Adjustments) (HALE1_RHTS_VADJ)
Hawaii Volcanoes National Park	Hawaii	National Park Service	Hawaii Volcanoes NP (HAVO1)
Hawaii Volcanoes National Park	Hawaii	National Park Service	Hawaii Volcanoes NP (w/Volcanic Adjustments) (HAVO1_VADJ)
Craters of the Moon National Monument	Idaho	National Park Service	Craters of the Moon NM (CRMO1)
Sawtooth Wilderness Area	Idaho	USDA Forest Service	Sawtooth NF (SAWT1)
Anaconda-Pintler Wilderness Area	Montana	USDA Forest Service	Sula Peak (SULA1)
Bob Marshall Wilderness Area	Montana	USDA Forest Service	Monture (MONT1)
Cabinet Mountains Wilderness Area	Montana	USDA Forest Service	Cabinet Mountains (CABI1)
Flathead Indian Reservation Tribal Reservation	Montana	Confederated Salish, Pend d'Oreille, and Kootenai Tribes	Flathead (FLAT1)
Fort Peck Indian Reservation Tribal Reservation	Montana	Fort Peck Assiniboine and Sioux Tribes	Fort Peck (FOPE1)
Gates of the Mountains Wilderness Area	Montana	USDA Forest Service	Gates of the Mountains (GAMO1)
Glacier National Park	Montana	National Park Service	Glacier NP (GLAC1)
Medicine Lake National Wildlife Refuge Wilderness	Montana	U.S. Fish and Wildlife Service	Medicine Lake (MELA1)
Mission Mountains Wilderness Area	Montana	USDA Forest Service	Monture (MONT1)
Northern Cheyenne Indian Reservation Tribal Reservation	Montana	Northern Cheyenne Tribe	Northern Cheyenne (NOCH1)
Red Rock Lakes National Wildlife Refuge Wilderness	Montana	U.S. Fish and Wildlife Service	Yellowstone NP (YELL2)
Scapegoat Wilderness Area	Montana	USDA Forest Service	Monture (MONT1)
Selway-Bitterroot Wilderness Area	Montana	USDA Forest Service	Sula Peak (SULA1)
UL Bend National Wildlife Refuge Wilderness	Montana	U.S. Fish and Wildlife Service	UL Bend (ULBE1)
Jarbidge Wilderness Area	Nevada	USDA Forest Service	Jarbidge Wilderness (JARB1)
Bandelier National Monument	New Mexico	National Park Service	Bandelier NM (BAND1)
Bosque del Apache National Wildlife Refuge Wilderness	New Mexico	U.S. Fish and Wildlife Service	Bosque del Apache (BOAP1)
Carlsbad Caverns National Park	New Mexico	National Park Service	Guadalupe Mountains NP (GUMO1)
Gila Wilderness Area	New Mexico	USDA Forest Service	Gila Wilderness (GICL1)
Pecos Wilderness Area	New Mexico	USDA Forest Service	Wheeler Peak (WHPE1)
Salt Creek National Wildlife Refuge Wilderness	New Mexico	U.S. Fish and Wildlife Service	Salt Creek (SACR1)
San Pedro Parks Wilderness Area	New Mexico	USDA Forest Service	San Pedro Parks (SAPE1)
Wheeler Peak Wilderness Area	New Mexico	USDA Forest Service	Wheeler Peak (WHPE1)
White Mountain Wilderness Area	New Mexico	USDA Forest Service	White Mountain (WHIT1)
Lostwood National Wildlife Refuge Wilderness	North Dakota	U.S. Fish and Wildlife Service	Lostwood (LOST1)
Theodore Roosevelt National Park	North Dakota	National Park Service	Theodore Roosevelt (THRO1)
Crater Lake National Park	Oregon	National Park Service	Crater Lake NP (CRLA1)
Diamond Peak Wilderness Area	Oregon	USDA Forest Service	Crater Lake NP (CRLA1)
Eagle Cap Wilderness Area	Oregon	USDA Forest Service	Starkey (STAR1)
Gearhart Mountain Wilderness Area	Oregon	USDA Forest Service	Crater Lake NP (CRLA1)
Hells Canyon Wilderness Area	Oregon	USDA Forest Service	Hells Canyon (HECA1)
Kalmiopsis Wilderness Area	Oregon	USDA Forest Service	Kalmiopsis (KALM1)
Mount Hood Wilderness Area	Oregon	USDA Forest Service	Mount Hood (MOHO1)
Mount Jefferson Wilderness Area	Oregon	USDA Forest Service	Three Sisters Wilderness (THSI1)
Mount Washington Wilderness Area	Oregon	USDA Forest Service	Three Sisters Wilderness (THSI1)
Mountain Lakes Wilderness Area	Oregon	USDA Forest Service	Crater Lake NP (CRLA1)
Strawberry Mountain Wilderness Area	Oregon	USDA Forest Service	Starkey (STAR1)
Three Sisters Wilderness Area	Oregon	USDA Forest Service	Three Sisters Wilderness (THSI1)
Badlands National Park	South Dakota	National Park Service	Badlands NP (BADL1)
Wind Cave National Park	South Dakota	National Park Service	Wind Cave (WICA1)
Arches National Park	Utah	National Park Service	Canyonlands NP (CANY1)
Bryce Canyon National Park	Utah	National Park Service	Bryce Canyon NP (BRCA1)
Canyonlands National Park	Utah	National Park Service	Canyonlands NP (CANY1)
Capitol Reef National Park	Utah	National Park Service	Capitol Reef NP (CAPI1)
Zion National Park	Utah	National Park Service	Zion Canyon (ZICA1)
Alpine Lakes Wilderness Area	Washington	USDA Forest Service	Snoqualmie Pass (SNPA1)
Glacier Peak Wilderness Area	Washington	USDA Forest Service	North Cascades (NOCA1)
Goat Rocks Wilderness Area	Washington	USDA Forest Service	White Pass (WHPA1)
Makah Indian Reservation Tribal Reservation	Washington	Makah Tribe	Makah Tribe Site #2 (MAKA2)
Mount Adams Wilderness Area	Washington	USDA Forest Service	White Pass (WHPA1)
Mount Rainier National Park	Washington	National Park Service	Mount Rainier NP (MORA1)
North Cascades National Park	Washington	National Park Service	North Cascades (NOCA1)
Olympic National Park	Washington	National Park Service	Olympic (OLYM1)
Pasayten Wilderness Area	Washington	USDA Forest Service	Pasayten (PASA1)
Bridger Wilderness Area	Wyoming	USDA Forest Service	Bridger Wilderness (BRID1)
Fitzpatrick Wilderness Area	Wyoming	USDA Forest Service	Bridger Wilderness (BRID1)
Grand Teton National Park	Wyoming	National Park Service	Yellowstone NP (YELL2)
North Absaroka Wilderness Area	Wyoming	USDA Forest Service	North Absaroka (NOAB1)
Teton Wilderness Area	Wyoming	USDA Forest Service	Yellowstone NP (YELL2)
Washakie Wilderness Area	Wyoming	USDA Forest Service	North Absaroka (NOAB1)
Yellowstone National Park	Wyoming	National Park Service	Yellowstone NP (YELL2)