@misc{indiciae6abc72e145ae,
  title = {Map Showing Principal Coal Beds and Bedrock Geology of the Ucross-Arvada Area, Central Powder River Basin, Wyoming},
  author = {Carol L. Molnia},
  year = {2013},
  doi = {10.3133/sim3240},
  url = {https://pubs.usgs.gov/publication/sim3240},
  note = {Source identifier: sim3240}
}