Lichens and air quality in Big Bend National Park, Texas: Final report

Wetmore, Clifford M.2014-06-242014-06-241980-12Wetmore CM. Lichens and air quality in Big Bend National Park, Texas. Final Report. 1980:1-24.https://hdl.handle.net/11299/16358524 pages; photographsen-USLichensLichens and air quality in Big Bend National Park, Texas: Final reportReport