@misc{indiciae508036347f37,
  title = {Water-quality variations and trends in Monument and Fountain Creeks, El Paso and Pueblo counties, Colorado, water years 1976-88},
  author = {B. C. Ruddy},
  year = {1993},
  doi = {10.3133/wri914176},
  url = {https://pubs.usgs.gov/publication/wri914176},
  note = {Source identifier: wri914176}
}