@misc{indiciae283dffa30f4e,
  title = {Examination of Libby, Montana, Fill Material for Background Levels of Amphibole from the Rainy Creek Complex Using Scanning Electron Microscopy and X-Ray Microanalysis},
  author = {David T. Adams and William H. Langer and Todd M. Hoefen and Bradley S. Van Gosen and Gregory P. Meeker},
  year = {2010},
  doi = {10.3133/ofr20101056},
  url = {https://pubs.usgs.gov/publication/ofr20101056},
  note = {Source identifier: ofr20101056}
}