@misc{indiciae152c366e68ee,
  title = {Geologic map of the east half of the Winston-Salem Quadrangle, North Carolina-Virginia},
  author = {G.H. Espenshade and D.W. Rankin and K.W. Shaw and R.B. Neumann},
  year = {1975},
  doi = {10.3133/i709b},
  url = {https://pubs.usgs.gov/publication/i709B},
  note = {Source identifier: i709B}
}