@misc{indiciae49545ea8bddb,
  title = {Causative factors in the degredation of vegetation and soils on Santa Barbara Island, California},
  author = {W. L. Halvorson and D.B. Fenn},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/1017354},
  note = {Source identifier: 1017354}
}