@misc{indiciae80e5cba3abbd,
  title = {Maps showing mineral resource assessment for skarn deposits of gold, silver, copper, tungsten, and iron in the Butte 1 degree by 2 degrees 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/i2050e},
  url = {https://pubs.usgs.gov/publication/i2050E},
  note = {Source identifier: i2050E}
}