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Contra Costa County Library: Keva Engineering
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Contra Costa County Library: CCCLIB Automation
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Contra Costa County Library: Republic Services
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Contra Costa County Library: Evie Michon Folk Art
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Contra Costa County Library: Judith Hayes Miniatures
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Contra Costa County Library: DIY Beauty Bar
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Contra Costa County Library: Lego Gears
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Contra Costa County Library: DSCN4704
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Contra Costa County Library: Cartoon Attack
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Contra Costa County Library: MakerFest Hosts
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Contra Costa County Library: MakerFest Hosts
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Contra Costa County Library: Makey Makey Bananas!
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Contra Costa County Library: Ready to Launch Rockets
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Contra Costa County Library: Rocket Making
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Contra Costa County Library: Rocket Making NCL
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Contra Costa County Library: Ice Cream Making
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Contra Costa County Library: Roller Coaster Physics
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Contra Costa County Library: 2016-06-15-Dena-_J1A7557
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Contra Costa County Library: 2016-06-15-Dena-_J1A7437
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Contra Costa County Library: 2016-06-15-Dena-_J1A7445
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Contra Costa County Library: 2016-06-15-Dena-_J1A7454
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Contra Costa County Library: 2016-06-15-Dena-_J1A7458
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Contra Costa County Library: 2016-06-15-Dena-_J1A7459
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Contra Costa County Library: 2016-06-15-Dena-_J1A7463
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Contra Costa County Library: 2016-06-15-Dena-_J1A7471
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Contra Costa County Library: 2016-06-15-Dena-_J1A7489
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Contra Costa County Library: 2016-06-15-Dena-_J1A7491
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Contra Costa County Library: 2016-06-15-Dena-_J1A7492
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Contra Costa County Library: 2016-06-15-Dena-_J1A7500
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Contra Costa County Library: 2016-06-15-Dena-_J1A7515