@misc{indiciae50035f6538ff,
  title = {Geology of the Huntsville quadrangle, Alabama},
  author = {T.H. Sanford and G.T. Malmberg and L.R. West},
  year = {1961},
  doi = {10.3133/i329},
  url = {https://pubs.usgs.gov/publication/i329},
  note = {Source identifier: i329}
}