You can find the minutes for the July meeting here:

http://eastbay-rc.blogspot.com/2014/08/concord-model-engineers-minutes-july.html

Dennis Romano found this website that depicts Bay Area airfields that were abandoned and in most cases have disappeared, including the original Concord Airport which was the Western terminus for mail flights and the Naval Weapons Station Field. Lots of pictures of “Golden Age” aircraft too.

http://www.airfields-freeman.com/CA/Airfields_CA_Oakland.htm