TY  - RPRT
TI  - Physical, chemical, and biological data for selected streams in Chester County, Pennsylvania, 1981-94
AU  - Andrew G. Reif
PY  - 1999
DO  - 10.3133/ofr99216
UR  - https://pubs.usgs.gov/publication/ofr99216
ID  - ofr99216
ER  -