TY  - RPRT
TI  - Techniques for detecting effects of urban and rural land-use practices on stream-water chemistry in selected watersheds in Texas, Minnesota,and Illinois
AU  - J.F. Walker
PY  - 1993
DO  - 10.3133/ofr93130
UR  - https://pubs.usgs.gov/publication/ofr93130
ID  - ofr93130
ER  -