@misc{indiciaea8b934f613b8,
  title = {Investigations of land subsidence and earth fissures near the Salt-Gila aqueduct, Maricopa and Pinal Counties, Arizona: Altitudes of the tops of the consolidated rocks, surficial geology, and land subsidence in the Florence quadrangle},
  author = {R. L. Laney and L. W. Pankratz},
  year = {1987},
  doi = {10.3133/i1892a},
  url = {https://pubs.usgs.gov/publication/i1892A},
  note = {Source identifier: i1892A}
}