TY  - RPRT
TI  - US Geological Survey Toxic Substances Hydrology Program: Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993
AU  - D.W. Morganwalp
AU  - D. A. Aronson
PY  - 1996
DO  - 10.3133/wri944015
UR  - https://pubs.usgs.gov/publication/wri944015
ID  - wri944015
ER  -