USGA Water Supply Paper 1080 [1] may have information about the effects of the flood of 1948.
It does, but about the flooding that happened further north where the Willamette River and the Columbia River meet Bobert G (talk) 04:34, 4 September 2008 (UTC)
Springfield History Mentions Springfield General Hospital (Predates McK-Will)
The 1999 Springfield Historic Context Statement[2] gives more details on the founding of McKenzie-Willamette. Also mentions Springfield General Hospital.