@misc{indiciae6901016b4bb9,
  title = {Analyses of rock and stream-sediment samples from the Sumdum A-4 quadrangle, Alaska},
  author = {Allen L. Clark and D. A. Brew and D.A. Grybeck and Raymond Wehr},
  year = {1970},
  doi = {10.3133/ofr7072},
  url = {https://pubs.usgs.gov/publication/ofr7072},
  note = {Source identifier: ofr7072}
}