@misc{indiciaeac6b6779f35a,
  title = {Appalachian piedmont regolith: Relations of saprolite and residual soils to rock-type},
  author = {M.J. Pavich},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70017710},
  note = {Source identifier: 70017710}
}