@misc{indiciaedda4e323ff30,
  title = {Color Palette; plotting guide for use with GSMAP and GSDRAW digital cartographic software computer file, Part A},
  author = {Steve P. Schilling and Ren A. Thompson},
  year = {1989},
  doi = {10.3133/ofr88553a},
  url = {https://pubs.usgs.gov/publication/ofr88553A},
  note = {Source identifier: ofr88553A}
}