Great Sand Dunes National Monument, Colorado Photographic Archive 1987 - 1995
Spectrum Series Regional Haze Spectrum #1 of 11 9:00:00 AM Representative dv=3 Bext=13 VR=300	Spectrum Series Regional Haze Spectrum #2 of 11 9:00:00 AM Representative dv=4 Bext=14 VR=270	Spectrum Series Regional Haze Spectrum #3 of 11 9:00:00 AM Representative dv=5 Bext=17 VR=230	Spectrum Series Regional Haze Spectrum #4 of 11 9:00:00 AM Representative dv=7 Bext=21 VR=190

Spectrum Series Regional Haze Spectrum #5 of 11 9:00:00 AM Representative dv=8 Bext=22 VR=180

Spectrum Series Regional Haze Spectrum #6 of 11 9:00:00 AM Representative dv=9 Bext=24 VR=160

Spectrum Series Regional Haze Spectrum #7 of 11 9:00:00 AM Representative dv=12 Bext=33 VR=120

Spectrum Series Regional Haze Spectrum #8 of 11 9:00:00 AM Representative dv=14 Bext=39 VR=100

Spectrum Series Regional Haze Spectrum #9 of 11 9:00:00 AM Representative dv=16 Bext=49 VR=80

Spectrum Series Regional Haze Spectrum #10 of 11 9:00:00 AM Representative dv=17 Bext=56 VR=70

Spectrum Series Regional Haze Spectrum #11 of 11 9:00:00 AM Representative dv=23 Bext=98 VR=40

Spectrum Series Regional Haze Spectrum #1 of 7 3:00:00 PM Representative dv=1 Bext=12 VR=340

Spectrum Series Regional Haze Spectrum #2 of 7 3:00:00 PM Representative dv=3 Bext=13 VR=290

Spectrum Series Regional Haze Spectrum #3 of 7 3:00:00 PM Representative dv=5 Bext=16 VR=240

Spectrum Series Regional Haze Spectrum #4 of 7 3:00:00 PM Representative dv=7 Bext=20 VR=200

Spectrum Series Regional Haze Spectrum #5 of 7 3:00:00 PM Representative dv=10 Bext=26 VR=150

Spectrum Series Regional Haze Spectrum #6 of 7 3:00:00 PM Representative dv=14 Bext=39 VR=100

Spectrum Series Regional Haze Spectrum #7 of 7 3:00:00 PM Representative dv=21 Bext=78 VR=50