@misc{indiciae33047c5e252c,
  title = {Map showing mineral resource assessment for vein and replacement deposits of gold, silver, copper, lead, zinc, manganese, and tungsten in the Butte 1° x 2° quadrangle, Montana},
  author = {J. E. Elliott and C. A. Wallace and G. K. Lee and J.C. Antweiler and D. J. Lidke and L. C. Rowan and W. F. Hanna and C. M. Trautwein and John L. Dwyer and S. H. Moll},
  year = {1992},
  doi = {10.3133/i2050d},
  url = {https://pubs.usgs.gov/publication/i2050D},
  note = {Source identifier: i2050D}
}