@misc{indiciaec03cef35e359,
  title = {CMGTooL user's manual},
  author = {Jingping Xu and Fran Lightsom and Marlene A. Noble and Charles Denham},
  year = {2002},
  doi = {10.3133/ofr0219},
  url = {https://pubs.usgs.gov/publication/ofr0219},
  note = {Source identifier: ofr0219}
}