TY  - RPRT
TI  - Illinois ground-water observation network; a preliminary planning document for network design
AU  - L.R. Frost
AU  - Michael O’Hearn
AU  - J.P. Gibb
AU  - M.G. Sherrill
PY  - 1984
DO  - 10.3133/ofr84584
UR  - https://pubs.usgs.gov/publication/ofr84584
ID  - ofr84584
ER  -