@article {4213, title = {Beaver Reoccupation and an Analysis of the Otter Niche in Great Smoky Mountains National Park}, year = {1981}, institution = {U.S. Department of Interior, National Park Service}, address = {Gatlinburg, TN}, keywords = {Beavers, Fauna, Mammals, Rodents}, issn = {40}, url = {http://archive.org/details/beaverreoccupati00sing}, author = {Singer, Francis J and LaBrode, David P and Sprague, Lorrie} }