@misc{indiciae77650517950f, title = {The transport of nonindigenous microorganisms into caves by human visitation: a case study at Carlsbad Caverns National Park}, author = {Dale W. Griffin and Michael A. Gray and Michael B. Lyles and Diana E. Northup}, year = {2014}, doi = {10.1080/01490451.2013.815294}, url = {https://pubs.usgs.gov/publication/70093437}, note = {Source identifier: 70093437} }