@misc{indiciaedc32e0fb00b6,
  title = {Radioactive mineral springs in Delta County, Colorado},
  author = {Robert A. Cadigan and John N. Rosholt and J. Karen Felmlee},
  year = {1976},
  doi = {10.3133/ofr76223},
  url = {https://pubs.usgs.gov/publication/ofr76223},
  note = {Source identifier: ofr76223}
}