@misc{indiciae4cb5802d630a,
  title = {Techniques for detecting effects of urban and rural land-use practices on stream-water chemistry in selected watersheds in Texas, Minnesota,and Illinois},
  author = {J.F. Walker},
  year = {1993},
  doi = {10.3133/ofr93130},
  url = {https://pubs.usgs.gov/publication/ofr93130},
  note = {Source identifier: ofr93130}
}