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![](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/Images/Clipart/photos100w_glyph.jpg) |
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Visibility
Photographs
Cameras are used at a number of IMPROVE
monitoring sites. Images from monitoring sites with over five years of
data where selected to capture the range or "spectrum" of visual
conditions at each site. These photographs have also been archived on
CD-ROMs. (See
IMPROVE Newsletter, Volume 7, No. 3 (Summer 1998) for a discussion on
the creation and content of slide spectrums.) |
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Photographs of Good and Bad Visibility Days at Class I areas |
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National Park Service Special Images
(pdf Document 1.3 meg): Images representing the cleanest and the haziest clear sky, non-weather, days
found in the IMPROVE 35mm slide data base. Extinction coefficient estimates are
also provided based upon the slide contrast measurements, the average species
concentrations of the 20% lowest and highest fine mass days, and annual
estimates of the f(rh). |
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Photographs
for each Class I Area |
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We
are in the process of providing on-line access to the photographic
archive. The sites for which the visual spectrums are available are: |
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Acadia
National Park, Maine
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Badlands
National Park, South Dakota
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Bandelier National Monument, New Mexico
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Big
Bend National Park, Texas
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Boundary
Waters Canoe Area, Minnesota
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Bridger
Wilderness Area, Wyoming
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Bryce
Canyon National Park, Utah
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Canyonlands
National Park, Utah
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Cape
Romain National Wildlife Refuge, South Carolina
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Chassahowitzka
National Wildlife Refuge, Florida
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Chiricahua
National Monument-Hatchett Peak, Arizona
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Chiricahua
National Monument-Mica Mountain Vista, Arizona
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Crater
Lake National Park-Mount Thielsen Vista, Oregon
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Crater
Lake National Park-Palisade Point Park, Oregon
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Denali
National Park, Alaska
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Dolly
Sods Wilderness Area-Rich Mountain Vista, West Virginia
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Dolly
Sods Wilderness Area-Weiss Knob Vista, West Virginia
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Edwin
B. Forsythe National Wildlife Refuge, New Jersey
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Everglades
National Park, Florida
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Glacier
National Park, Montana
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Grand
Canyon National Park, Arizona
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Great
Basin National Park, Nevada
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Great
Sand Dunes National Monument, Colorado
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Great
Smoky Mountains National Park, Tennessee
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Guadalupe
Mountains National Park, Texas
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Haleakala
National Park, Hawaii
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Hawaii
Volcanoes National Park, Hawaii
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Jarbidge
Wilderness Area, Nevada/Idaho
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Lassen
Volcanic National Park, California
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Lye
Brook Wilderness Area, Vermont
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Mammoth
Cave National Park, Kentucky
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Mesa
Verde National Park, Colorado
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Mount
Rainier National Park, Washington
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Okefenokee
National Wildlife Refuge, Georgia
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Petrified Forest National
Park, Arizona
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Pinnacles
National Monument, California
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Point
Reyes National Seashore, California
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Redwood
National Park, California
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Rocky
Mountain National Park, Colorado
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
San
Gorgonio Wilderness Area, California
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Shenandoah
National Park, Virginia
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Tonto
National Monument, Arizona
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Voyageurs
National Park, Minnesota
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Weminuche
Wilderness Area, Colorado
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Yellowstone
National Park, Wyoming
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![bullet](https://webarchive.library.unt.edu/eot2008/20090115013417im_/http://vista.cira.colostate.edu/views/_themes/views/arrow_right_red.gif) |
Yosemite
National Park, California
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