@misc{indiciae1d3c28613fc2,
  title = {Geology and coal resources of the Centralia-Chehalis district, Lewis and Thurston counties, Washington},
  author = {P. D. Snavely and R.D. Brown and A. E. Roberts and W. W. Rau and L. Hoover and M. H. Pease},
  year = {1954},
  doi = {10.1126/science.119.3091.419.b},
  url = {https://pubs.usgs.gov/publication/70010726},
  note = {Source identifier: 70010726}
}