@misc{indiciaeb1aa39509f57,
  title = {Effects of acidic deposition and soil acidification on sugar maple trees in the Adirondack Mountains, New York},
  author = {Timothy J. Sullivan and Gregory B. Lawrence and Scott W. Bailey and Todd C. McDonnell and G.T. McPherson},
  year = {2013},
  url = {https://pubs.usgs.gov/publication/70174895},
  note = {Source identifier: 70174895}
}