USGS Open House 2012
May 19-20, 2012
This is the tenth triennial event
Photographs of just the Mount Diablo Surveyors Historical Society portion of exhibit.
MDSHS - Mount Diablo Surveyors Historical Society
A California non-profit public benefit corporation organized under
IRS 501(c) (3) (Federal #8916806802, CA 1835904).
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Page last updated September 21, 2013
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