This is a fascinating history of San Lorenzo River flooding, including Felton Grove and surrounding areas. Courtesy of MAH (Santa Cruz Museum of Art and History:
PAGE ONE – History of Felton Grove Floods (and surrounding areas) since 1791. Courtesy MAH.
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FELTON GROVE 
I remember that 1982 one real well. jaja Merry Christmas, Jan 2 1982 Seems like December and January are the key months. Good luck this year friends. Ramona RayLa Paz Baja California surPuerto de Ilusiòn Celular-612-868-7674 casa-612-124-2249 skype- Pitaya 123 sweetwaterrnch@Yahoo.com
Ramona, somewhere, God knows where, I have a photo of you either sweeping or shoveling (some time after the 82′ flood) on the Circle Dr. side of your old house. You had a face mask on so I think it was after most of the mud was gone and you were sweeping away what was left. I’ll try to find it but don’t hold your breath. Been a long time.