Scientific Investigations Report 2008–5071
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5071
Table 1. Hydrogeologic-unit names and terminology used in this study and previous studies, Eastbank Aquifer system, Douglas County, Washington.
[–, not named]
Hydrogeologic unit | Source | |||
---|---|---|---|---|
Lower Aquifer | Upper Aquifer | Combined Aquifer | Clay Confining Unit | This study |
Eastbank Aquifer | – | Eastbank Aquifer | – | Water & Environmental Systems Technology, Inc. (1990) |
deep aquifer | shallow aquifer | combined aquifer | aquitard | CH2M Hill (1988) |