@misc{indiciaeb26920b36886,
  title = {Soil properties and perceived disturbance of grasslands subjected to mechanized military training: Evaluation of an index},
  author = {Donald P. Althoff and P.S. Althoff and N.D. Lambrecht and P. S. Gipson and J.S. Pontius and P.B. Woodford},
  year = {2007},
  doi = {10.1002/ldr.773},
  url = {https://pubs.usgs.gov/publication/70029974},
  note = {Source identifier: 70029974}
}