The Mount Diablo Surveyors Historical Society 2011 Harvest Festival Ardenwood Historic Farm, Fremont, CA October 18 & 19, 2011 Mount Diablo Surveyors Historical Society members that participated in this years event include: Cris de la Paz. Please scroll down to view photos. Photographs ©2011 MDSHS and taken by  MDSHS member Cris de la Paz, all rights reserved. MDSHS - Mount Diablo Surveyors Historical Society is a California non-profit corporation organized under IRS 501(c)3 (Federal #8916806802, CA 1835904). Website designed by and maintained by Michael J. Foley, PLS Page last updated 09/24/2013 Copyright ©2013 MDSHS. WWW.MDSHS.ORG Home |  MDSHS.org |  Return to Past Events Page |  Return to Ardenwood Page Events |  Return to top of page