@misc{indiciaed906875c6a7f,
  title = {Map showing heavy mineral resources in Pleistocene sand of the Port Leyden quadrangle, southwestern Adirondack Mountains, New York},
  author = {E. R. Force and B. R. Lipin and R. E. Smith},
  year = {1976},
  doi = {10.3133/mf728b},
  url = {https://pubs.usgs.gov/publication/mf728B},
  note = {Source identifier: mf728B}
}