@misc{indiciae8b83515d930f,
  title = {Copper and Zinc Deposits in the Reward Area Casa Grande Mining District, Pinal County, Arizona},
  author = {J. B. Hadley and H.H. Sullwold},
  year = {1943},
  doi = {10.3133/ofr448},
  url = {https://pubs.usgs.gov/publication/ofr448},
  note = {Source identifier: ofr448}
}