@misc{indiciae2a8946da3c28, title = {U. S. Geological Survey Toxic Substances Hydrology Program--Abstracts of the Technical Meeting, Colorado Springs, Colorado, September 20-24, 1993}, author = {David W. Morganwalp and David A. Aronson}, year = {1993}, doi = {10.3133/ofr93454}, url = {https://pubs.usgs.gov/publication/ofr93454}, note = {Source identifier: ofr93454} }