Redwood City

[Carlo Alciati]

Harvest of Gems and Mineral Show
http://www.sequoiagemandmineralsociety.org/
http://www.sequoiagemandmineralsociety.org/gem-show--harvest-of-minerals.html
Organized by the Sequoia Gem & Mineral Society http://www.strahlen.org/forum/index.php/topic,9297.0.html

No 2019 edition, next will be on 2020
15-16 september 2018
23-24 september 2017
24-25 september 2016

Community Activities Building
1400 Roosevelt Avenue, Redwood City, California, USA

Also see:
http://www.rockngem.com/ShowDatesFiles/ShowDatesDisplayAll.php?ShowState=ALL

[Frank de Wit]

Harvest of Gem and Mineral Show
Harvest of Gems & Minerals Show
http://www.sequoiagemandmineralsociety.org/
http://www.sequoiagemandmineralsociety.org/gem-show--harvest-of-minerals.html
http://sgms.driftmine.com/home.htm
Organized by the Sequoia Gem & Mineral Society http://www.strahlen.org/forum/index.php/topic,9297.0.html

15-16 september 2018
23-24 september 2017
24-25 september 2016

Community Activities Building
1400 Roosevelt Avenue, Redwood City, California, USA

Also see:
http://www.rockngem.com/ShowDatesFiles/ShowDatesDisplayAll.php?ShowState=ALL

[Bert de Ruiter]

Harvest of Gems & Minerals Show
http://sgms.driftmine.com/home.htm (still the 2013 date)
Organized by the Sequoia Gem & Mineral Society http://www.strahlen.org/forum/index.php/topic,9297.0.html

19-20 september 2015
20-21 september 2014

Community Activities Building
1400 Roosevelt Avenue, Redwood City, California, USA

Source: http://events.sfgate.com/redwood_city_ca/events/show/371475098-gem-and-mineral-show#dates_and_times

[Bert de Ruiter]

Harvest of Gems & Minerals Show
http://sgms.driftmine.com/home.htm
http://sgms.driftmine.com/SGMS/ShowFlyer.htm
Organized by the Sequoia Gem & Mineral Society http://www.strahlen.org/forum/index.php/topic,9297.0.html

21-22 september 2013
15-16 september 2012

Community Activities Building
1400 Roosevelt Avenue, Redwood City, California, USA