@misc{indiciaef506ed69cad8,
  title = {Histograms and correlation table for selected elements in samples of the ash of black spruce needles from the Tanacross Quadrangle, Alaska},
  author = {Gary C. Curtin and G.W. Day and R. B. Tripp},
  year = {1980},
  doi = {10.3133/ofr80655},
  url = {https://pubs.usgs.gov/publication/ofr80655},
  note = {Source identifier: ofr80655}
}