OWRD GWR 025
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08S/01W-30J1
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| Helm, D.C., and Leonard, A.R., 1977, Ground-water resources of the lower, Santiam River Basi, middle Willamette Valley, Oregon: State of Oregon Water Resources Dept., Ground Water Report No. 25. | |
USGS WSP 1997
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08S/01W-30J1
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| Hampton, E.R., 1972, Geology and ground water of the Molalla-Salem slope area, northern Willamette Valley, Oregon: U.S. Geological Survey Water Supply Paper 1997. | |