TY  - RPRT
TI  - Preliminary report on the ground-water resources of the Tualatin Valley, Oregon
AU  - Donald H. Hart
AU  - Reuben Clair Newcomb
PY  - 1956
DO  - 10.3133/ofr5559
UR  - https://pubs.usgs.gov/publication/ofr5559
ID  - ofr5559
ER  -