Dolly Sods Wilderness, West Virginia

Rich Mountain Vista

1500 Slide Spectrum Series (1989 - 1994)

Cumulative Frequency Summary

Spectrum Sequence #	Representative Visibility Condition Summary			Representative Cumulative Frequency of Reconstructed Extinction IMPROVE Aerosol Data (1992 – 1998)
	dv	Bext (Mm^-1)	VR (km)
1 of 13	3	13	300	<1%
2 of 13	4	16	250	<1%
3 of 13	6	19	210	<1%
4 of 13	7	21	190	<1%
5 of 13	9	24	160	1%
6 of 13	14	39	100	5%
7 of 13	19	65	60	20%
8 of 13	23	98	40	50%
9 of 13	26	130	30	70%
10 of 13	30	196	20	90%
11 of 13	33	261	15	95%
12 of 13	44	782	5	>99%
13 of 13	49	1304	3	>99%

Prepared by Air Resource Specialists, Inc.

for the IMPROVE Program

2000