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Filters: First Letter Of Title is B and Author is Risk, Allen C  [Clear All Filters]
1995
Smith, David K., Kenneth D. McFarland, Allen C. Risk, and Paul G. Davison. Bryophyte and Lichen Survey of Foothills Parkway, Segment 8B, Cosby-Pittman Center, Great Smoky Mountains National Park. Oak Ridge, TN, 1995.
1993
Smith, David K., and Allen C. Risk. Bryophytes of Sinks Area, Great Smoky Mountains National Park In Final Report. Gatlinburg, Tennessee: Great Smoky Mountain National Park, 1993.