@misc{indiciae9bc30060df86,
  title = {Petrography and character of the bedrock surface beneath western Cape Cod, Massachusetts},
  author = {B.W. Hallett and L. J. Poppe and S.G. Brand},
  year = {2004},
  url = {https://pubs.usgs.gov/publication/70026808},
  note = {Source identifier: 70026808}
}