1879 Belden map of the Bigford farms - Oak Valley Pioneer Park is outlined in green
aerial view of the Bigford farm 7 August 1964
the pre-1980 oxbow and new channel
aerial view of the park 21 August 2009
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the first site map, Ernie Kerr, 1991, with later additions
Provided by the Volunteers of Oak Valley Pioneer Park. Feel free to copy with a credit.