Lichens and air quality in Boundary Waters Canoe Area of the Superior National Forest: Final report

Wetmore, Clifford M.2014-06-252014-06-251987-11Wetmore CM. Lichens and air quality in Boundary Waters Canoe Area of the Superior National Forest. Final Report. 1987:1-39.https://hdl.handle.net/11299/16358728 pages; 12 pages of mapsen-USLichensAir qualityLichens and air quality in Boundary Waters Canoe Area of the Superior National Forest: Final reportReport