35th Annual Portland Regional Gem and Mineral Show in Hillsboro
The 2015 Portland Regional Gem Mineral Show Association is the 35th Annual event hosted by the Portland Regional Gem and Mineral Association October 9-11, 2015. This is one of the largest rock, gem, and mineral shows in the Pacific Northwest, bringing together over 40 dealers and hundreds of exhibits. There will be demonstrations, lectures, workshops, …
35th Annual Portland Regional Gem and Mineral Show in Hillsboro Read More »