@misc{indiciaed2ecdef020ab, title = {U.S. Geological Survey Toxic Substances Hydrology Program; abstracts of the technical meeting, Monterey, California, March 11-15, 1991}, author = {G. E. Mallard and D. A. Aronson}, year = {1991}, doi = {10.3133/ofr9188}, url = {https://pubs.usgs.gov/publication/ofr9188}, note = {Source identifier: ofr9188} }