@misc{indiciaec1d870da1dea,
  title = {Annotated bibliography of studies on the geology, geochemistry, mineral resources, and geophysical character of the early Mesozoic basins of the eastern United States, 1880-1984},
  author = {Jacob Margolis and G.R. Robinson and Constance M. Schafer},
  year = {1986},
  doi = {10.3133/b1688},
  url = {https://pubs.usgs.gov/publication/b1688},
  note = {Source identifier: b1688}
}