TY  - RPRT
TI  - Chemical analyses of surface water in Illinois, 1975-77--Volume I, Des Plaines River basin and Lake Michigan
AU  - David Grason
AU  - R. W. Healy
PY  - 1979
DO  - 10.3133/wri7923
UR  - https://pubs.usgs.gov/publication/wri7923
ID  - wri7923
ER  -