Wetmore CM. Lichens and air quality in White Mountain National Forest Wilderness Areas. Final Report. 1989:1-39.
1 PDF computer file (39 pages plus 7 maps, 2 pages of tabular data)
U.S. Forest Service
Contract USDA 40-1484-7-614
Wetmore, Clifford M..
Lichens and air quality in White Mountain National Forest Wilderness Areas: Final report..
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