@misc{indiciae72a00e06971d,
  title = {Principal facts for gravity stations in and adjacent to the Superstition Mountains, Gila, Pinal, and Maricopa counties, Arizona},
  author = {Jeffrey C. Wynn and Stephan A. Manydeeds},
  year = {1978},
  doi = {10.3133/ofr78566},
  url = {https://pubs.usgs.gov/publication/ofr78566},
  note = {Source identifier: ofr78566}
}