TY  - RPRT
TI  - Bibliography of hydrogeology for the Willamette Valley, Oregon
AU  - David S. Morgan
AU  - D.G. Weatherby
PY  - 1992
DO  - 10.3133/ofr91473
UR  - https://pubs.usgs.gov/publication/ofr91473
ID  - ofr91473
ER  -