@misc{indiciaeeba2a1804946,
  title = {Geologic map of the Morena Reservoir 7.5-minute quadrangle, San Diego County, California},
  author = {Victoria R. Todd},
  year = {2016},
  doi = {10.3133/ofr9550},
  url = {https://pubs.usgs.gov/publication/ofr9550},
  note = {Source identifier: ofr9550}
}