TY  - SER
ED  - Geological Survey (U.S.).
TI  - Water resources data for Oregon
U1  - 553.709795 
PY  - 1975///
CY  - Portland, Or.
PB  - U.S. Dept. of the Interior, Geological Survey
KW  - Stream measurements
KW  - Oregon
KW  - Periodicals
KW  - Water quality
N1  - Description based on: 1979; Library has pt.1; Part 1. Surface water records
ER  -